diff --git a/deps/libffi/libffi.gyp b/deps/libffi/libffi.gyp
index d02bef73..da592f50 100644
--- a/deps/libffi/libffi.gyp
+++ b/deps/libffi/libffi.gyp
@@ -74,10 +74,9 @@
               '<(INTERMEDIATE_DIR)/<(RULE_INPUT_ROOT).asm',
             ],
             'action': [
-              'call',
-              'preprocess_asm.cmd',
-                'include',
-                'config/<(OS)/<(target_arch)',
+              '<(module_root_dir)/deps/libffi/preprocess_asm.cmd',
+                '<(module_root_dir)/deps/libffi/include',
+                '<(module_root_dir)/deps/libffi/config/<(OS)/<(target_arch)',
                 '<(RULE_INPUT_PATH)',
                 '<(INTERMEDIATE_DIR)/<(RULE_INPUT_ROOT).asm',
             ],