diff --git a/src/autotune.c b/src/autotune.c
index 04f8bc4c5..19230d540 100644
--- a/src/autotune.c
+++ b/src/autotune.c
@@ -366,19 +366,19 @@ static int autotune (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param
   {
     int CU_rc;
 
-    CU_rc = run_cuda_kernel_memset (hashcat_ctx, device_param, device_param->cuda_d_pws_buf, 0, device_param->size_pws);
+    CU_rc = run_cuda_kernel_bzero (hashcat_ctx, device_param, device_param->cuda_d_pws_buf, device_param->size_pws);
 
     if (CU_rc == -1) return -1;
 
-    CU_rc = run_cuda_kernel_memset (hashcat_ctx, device_param, device_param->cuda_d_plain_bufs, 0, device_param->size_plains);
+    CU_rc = run_cuda_kernel_bzero (hashcat_ctx, device_param, device_param->cuda_d_plain_bufs, device_param->size_plains);
 
     if (CU_rc == -1) return -1;
 
-    CU_rc = run_cuda_kernel_memset (hashcat_ctx, device_param, device_param->cuda_d_digests_shown, 0, device_param->size_shown);
+    CU_rc = run_cuda_kernel_bzero (hashcat_ctx, device_param, device_param->cuda_d_digests_shown, device_param->size_shown);
 
     if (CU_rc == -1) return -1;
 
-    CU_rc = run_cuda_kernel_memset (hashcat_ctx, device_param, device_param->cuda_d_result, 0, device_param->size_results);
+    CU_rc = run_cuda_kernel_bzero (hashcat_ctx, device_param, device_param->cuda_d_result, device_param->size_results);
 
     if (CU_rc == -1) return -1;
   }
@@ -387,19 +387,19 @@ static int autotune (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param
   {
     int CL_rc;
 
-    CL_rc = run_opencl_kernel_memset (hashcat_ctx, device_param, device_param->opencl_d_pws_buf, 0, device_param->size_pws);
+    CL_rc = run_opencl_kernel_bzero (hashcat_ctx, device_param, device_param->opencl_d_pws_buf, device_param->size_pws);
 
     if (CL_rc == -1) return -1;
 
-    CL_rc = run_opencl_kernel_memset (hashcat_ctx, device_param, device_param->opencl_d_plain_bufs, 0, device_param->size_plains);
+    CL_rc = run_opencl_kernel_bzero (hashcat_ctx, device_param, device_param->opencl_d_plain_bufs, device_param->size_plains);
 
     if (CL_rc == -1) return -1;
 
-    CL_rc = run_opencl_kernel_memset (hashcat_ctx, device_param, device_param->opencl_d_digests_shown, 0, device_param->size_shown);
+    CL_rc = run_opencl_kernel_bzero (hashcat_ctx, device_param, device_param->opencl_d_digests_shown, device_param->size_shown);
 
     if (CL_rc == -1) return -1;
 
-    CL_rc = run_opencl_kernel_memset (hashcat_ctx, device_param, device_param->opencl_d_result, 0, device_param->size_results);
+    CL_rc = run_opencl_kernel_bzero (hashcat_ctx, device_param, device_param->opencl_d_result, device_param->size_results);
 
     if (CL_rc == -1) return -1;
   }