diff --git a/OpenCL/m17200_a0-pure.cl b/OpenCL/m17200_a0-pure.cl
index 288d7f571..a8c64de0e 100644
--- a/OpenCL/m17200_a0-pure.cl
+++ b/OpenCL/m17200_a0-pure.cl
@@ -132,7 +132,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17200_a1-pure.cl b/OpenCL/m17200_a1-pure.cl
index 421c39f95..4b1e614d5 100644
--- a/OpenCL/m17200_a1-pure.cl
+++ b/OpenCL/m17200_a1-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17200_a3-pure.cl b/OpenCL/m17200_a3-pure.cl
index ae444f85b..e92224aa4 100644
--- a/OpenCL/m17200_a3-pure.cl
+++ b/OpenCL/m17200_a3-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17210_a0-pure.cl b/OpenCL/m17210_a0-pure.cl
index 2888eaedd..95bde75a9 100644
--- a/OpenCL/m17210_a0-pure.cl
+++ b/OpenCL/m17210_a0-pure.cl
@@ -132,7 +132,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17210_a1-pure.cl b/OpenCL/m17210_a1-pure.cl
index 1adfe9839..75b9935c7 100644
--- a/OpenCL/m17210_a1-pure.cl
+++ b/OpenCL/m17210_a1-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17210_a3-pure.cl b/OpenCL/m17210_a3-pure.cl
index 1a89b07ff..4ed4e06df 100644
--- a/OpenCL/m17210_a3-pure.cl
+++ b/OpenCL/m17210_a3-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17220_a0-pure.cl b/OpenCL/m17220_a0-pure.cl
index 9f3456ccb..f1fb4677a 100644
--- a/OpenCL/m17220_a0-pure.cl
+++ b/OpenCL/m17220_a0-pure.cl
@@ -132,7 +132,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17220_a1-pure.cl b/OpenCL/m17220_a1-pure.cl
index e03a0340e..ca188bd32 100644
--- a/OpenCL/m17220_a1-pure.cl
+++ b/OpenCL/m17220_a1-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17220_a3-pure.cl b/OpenCL/m17220_a3-pure.cl
index e785c25a2..0149f5ba8 100644
--- a/OpenCL/m17220_a3-pure.cl
+++ b/OpenCL/m17220_a3-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17225_a0-pure.cl b/OpenCL/m17225_a0-pure.cl
index a54dc41f6..c46572539 100644
--- a/OpenCL/m17225_a0-pure.cl
+++ b/OpenCL/m17225_a0-pure.cl
@@ -132,7 +132,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17225_a1-pure.cl b/OpenCL/m17225_a1-pure.cl
index 74b96af27..be2f66b00 100644
--- a/OpenCL/m17225_a1-pure.cl
+++ b/OpenCL/m17225_a1-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17225_a3-pure.cl b/OpenCL/m17225_a3-pure.cl
index 145a70977..32db34f67 100644
--- a/OpenCL/m17225_a3-pure.cl
+++ b/OpenCL/m17225_a3-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17230_a0-pure.cl b/OpenCL/m17230_a0-pure.cl
index c9bbfbfa0..456542b55 100644
--- a/OpenCL/m17230_a0-pure.cl
+++ b/OpenCL/m17230_a0-pure.cl
@@ -132,7 +132,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17230_a1-pure.cl b/OpenCL/m17230_a1-pure.cl
index 6f04fc962..a067e8b6d 100644
--- a/OpenCL/m17230_a1-pure.cl
+++ b/OpenCL/m17230_a1-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/OpenCL/m17230_a3-pure.cl b/OpenCL/m17230_a3-pure.cl
index be1b266fe..144ff73b8 100644
--- a/OpenCL/m17230_a3-pure.cl
+++ b/OpenCL/m17230_a3-pure.cl
@@ -130,7 +130,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/src/modules/module_17200.c b/src/modules/module_17200.c
index eeaa277c1..1ada27f2c 100644
--- a/src/modules/module_17200.c
+++ b/src/modules/module_17200.c
@@ -125,7 +125,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/src/modules/module_17210.c b/src/modules/module_17210.c
index 5cdd67c99..ce3236aa3 100644
--- a/src/modules/module_17210.c
+++ b/src/modules/module_17210.c
@@ -125,7 +125,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/src/modules/module_17220.c b/src/modules/module_17220.c
index 2bb3cc714..ec06d95c6 100644
--- a/src/modules/module_17220.c
+++ b/src/modules/module_17220.c
@@ -125,7 +125,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/src/modules/module_17225.c b/src/modules/module_17225.c
index bc82d8e89..326bc12d0 100644
--- a/src/modules/module_17225.c
+++ b/src/modules/module_17225.c
@@ -125,7 +125,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));
 
diff --git a/src/modules/module_17230.c b/src/modules/module_17230.c
index 5a628f263..fadc785c2 100644
--- a/src/modules/module_17230.c
+++ b/src/modules/module_17230.c
@@ -125,7 +125,7 @@ struct pkzip_hash
   u32 data_length;
   u16 checksum_from_crc;
   u16 checksum_from_timestamp;
-  u32 data[MAX_DATA];
+  u32 data[MAX_DATA / 4]; // a quarter because of the u32 type
 
 } __attribute__((packed));