diff --git a/OpenCL/m22100-pure.cl b/OpenCL/m22100-pure.cl
index afd143534..67fa3d73b 100644
--- a/OpenCL/m22100-pure.cl
+++ b/OpenCL/m22100-pure.cl
@@ -252,7 +252,7 @@ KERNEL_FQ void m22100_loop (KERN_ATTR_TMPS_ESALT (bitlocker_tmp_t, bitlocker_t))
    * in order for this to work we need to set a fixed loop count to FIXED_ITER_TOTAL in module
    */
 
-  #define FIXED_ITER_TOTAL 1024
+  #define FIXED_ITER_TOTAL 4096
   #define FIXED_ITER_INCR  8    // seems to be a good trade-off between memory reads and available registers
 
   #ifdef REAL_SHM
diff --git a/src/modules/module_22100.c b/src/modules/module_22100.c
index 3b4581715..4565ff7f1 100644
--- a/src/modules/module_22100.c
+++ b/src/modules/module_22100.c
@@ -80,14 +80,14 @@ u64 module_tmp_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED c
 
 u32 module_kernel_loops_min (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
 {
-  const u32 kernel_loops_min = 1024;
+  const u32 kernel_loops_min = 4096;
 
   return kernel_loops_min;
 }
 
 u32 module_kernel_loops_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
 {
-  const u32 kernel_loops_max = 1024;
+  const u32 kernel_loops_max = 4096;
 
   return kernel_loops_max;
 }