diff --git a/modules/src/em_code/build.py b/modules/src/em_code/build.py
index 753747e80..e5f8686e9 100644
--- a/modules/src/em_code/build.py
+++ b/modules/src/em_code/build.py
@@ -95,6 +95,7 @@ def build_variant(name, cflags):
             "modules/src/system",
             "modules/src/alloc",
         ],
+        cflags=cflags
     )