diff --git a/src/hashcat.c b/src/hashcat.c
index 417b60d0a..162b649f4 100644
--- a/src/hashcat.c
+++ b/src/hashcat.c
@@ -14556,14 +14556,23 @@ int main (int argc, char **argv)
 
       // we don't have sm_* on vendors not NV but it doesn't matter
 
-      snprintf (build_opts, sizeof (build_opts) - 1, "-cl-std=CL1.1 -I\"%s/OpenCL\" -DVENDOR_ID=%u -DCUDA_ARCH=%d -DVECT_SIZE=%u -DDEVICE_TYPE=%u -DKERN_TYPE=%u -D_unroll", shared_dir, device_param->vendor_id, (device_param->sm_major * 100) + device_param->sm_minor, device_param->vector_width, (u32) device_param->device_type, kern_type);
+      #if _WIN
+      snprintf (build_opts, sizeof (build_opts) - 1, "-I \"%s\\OpenCL\\\" -I '%s\\OpenCL\\' -I %s\\OpenCL\\", shared_dir, shared_dir, shared_dir);
+      #else
+      snprintf (build_opts, sizeof (build_opts) - 1, "-I \"%s/OpenCL/\" -I '%s/OpenCL/' -I %s/OpenCL/", shared_dir, shared_dir, shared_dir);
+      #endif
+
+      char build_opts_new[1024] = { 0 };
+
+      snprintf (build_opts_new, sizeof (build_opts_new) - 1, "%s -DVENDOR_ID=%u -DCUDA_ARCH=%d -DVECT_SIZE=%u -DDEVICE_TYPE=%u -DKERN_TYPE=%u -D_unroll -cl-std=CL1.1", build_opts, device_param->vendor_id, (device_param->sm_major * 100) + device_param->sm_minor, device_param->vector_width, (u32) device_param->device_type, kern_type);
+
+      strncpy (build_opts, build_opts_new, sizeof (build_opts) - 1);
+
 
       if (device_param->vendor_id == VENDOR_ID_INTEL_SDK)
       {
         // we do vectorizing much better than the auto-vectorizer
 
-        char build_opts_new[1024] = { 0 };
-
         snprintf (build_opts_new, sizeof (build_opts_new) - 1, "%s -cl-opt-disable", build_opts);
 
         strncpy (build_opts, build_opts_new, sizeof (build_opts) - 1);