diff --git a/src/opencl.c b/src/opencl.c
index 88b4757c1..1d59040d0 100644
--- a/src/opencl.c
+++ b/src/opencl.c
@@ -1158,7 +1158,7 @@ int gidd_to_pw_t (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, c
   const u32 cnt = pw_idx.cnt;
   const u32 len = pw_idx.len;
 
-  CL_rc = hc_clEnqueueReadBuffer (hashcat_ctx, device_param->command_queue, device_param->d_pws_comp_buf, CL_TRUE, off * sizeof (u32), len * sizeof (u32), pw->i, 0, NULL, NULL);
+  CL_rc = hc_clEnqueueReadBuffer (hashcat_ctx, device_param->command_queue, device_param->d_pws_comp_buf, CL_TRUE, off * sizeof (u32), cnt * sizeof (u32), pw->i, 0, NULL, NULL);
 
   if (CL_rc == -1) return -1;