diff --git a/OpenCL/m29600-pure.cl b/OpenCL/m29600-pure.cl
index f3a954386..c34832787 100644
--- a/OpenCL/m29600-pure.cl
+++ b/OpenCL/m29600-pure.cl
@@ -25,12 +25,14 @@ typedef struct pbkdf_sha1_tmp
 
   u32  dgst[32];
   u32  out[32];
+
 } pbkdf_sha1_tmp_t;
 
 typedef struct terra
 {
-  u32 salt_buf[8];
+  u32 salt_buf[4];
   u32 ct_block_a[4];
+
 } terra_t;
 
 #define FIXED_SALT_SIZE 16
diff --git a/src/modules/module_29600.c b/src/modules/module_29600.c
index 2a3080823..ebd920017 100644
--- a/src/modules/module_29600.c
+++ b/src/modules/module_29600.c
@@ -58,7 +58,7 @@ typedef struct pbkdf_sha1_tmp
 
 typedef struct terra
 {
-  u32 salt_buf[8];
+  u32 salt_buf[4];
   u32 ct_block_a[4];
 
 } terra_t;