diff --git a/rc5-72/opencl/ocl_common.cpp b/rc5-72/opencl/ocl_common.cpp
index e45dda4af..3386621ca 100644
--- a/rc5-72/opencl/ocl_common.cpp
+++ b/rc5-72/opencl/ocl_common.cpp
@@ -239,8 +239,8 @@ bool BuildCLProgram(ocl_context_t *cont, const char* programText, const char *ke
   free(decompressed_src);
   if (status == CL_SUCCESS)
   {
-    //status = clBuildProgram(cont->program, 1, &cont->deviceID, NULL, NULL, NULL);
-    status = clBuildProgram(cont->program, 1, &cont->deviceID, "-cl-std=CL1.1", NULL, NULL);
+    status = clBuildProgram(cont->program, 1, &cont->deviceID, NULL, NULL, NULL);
+    //status = clBuildProgram(cont->program, 1, &cont->deviceID, "-cl-std=CL1.1", NULL, NULL);
   }
   if (ocl_diagnose(status, "building cl program", cont) != CL_SUCCESS)
   {