diff --git a/repos/libports/src/server/fuse_fs/ext2/target.mk b/repos/libports/src/server/fuse_fs/ext2/target.mk
index c7d96bf2a5..54143c409a 100644
--- a/repos/libports/src/server/fuse_fs/ext2/target.mk
+++ b/repos/libports/src/server/fuse_fs/ext2/target.mk
@@ -15,9 +15,10 @@ CC_OPT += -DHAVE_CONFIG_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
 
 CC_OPT += -Wno-unused-function -Wno-unused-variable \
           -Wno-unused-but-set-variable -Wno-cpp \
-          -Wno-implicit-function-declaration \
           -Wno-maybe-uninitialized
 
+CC_C_OPT += -Wno-implicit-function-declaration
+
 
 INC_DIR += $(REP_DIR)/src/lib/fuse-ext2 \
            $(FUSE_EXT2_DIR)