diff --git a/mozilla/security/coreconf/rules.mk b/mozilla/security/coreconf/rules.mk
index ffa1ed6e0b6..f8e6fd38a32 100644
--- a/mozilla/security/coreconf/rules.mk
+++ b/mozilla/security/coreconf/rules.mk
@@ -387,7 +387,7 @@ ifeq (,$(filter-out _WIN%,$(NS_USE_GCC)_$(OS_TARGET)))
 	$(MKPROG) $(OBJDIR)/$(PROG_PREFIX)$*$(OBJ_SUFFIX) -Fe$@ -link \
 	$(LDFLAGS) $(EXTRA_LIBS) $(EXTRA_SHARED_LIBS) $(OS_LIBS)
 else
-	$(MKPROG) -o $@ $(OBJDIR)/$(PROG_PREFIX)$*$(OBJ_SUFFIX) \
+	$(MKPROG) -o $@ $(CFLAGS) $(OBJDIR)/$(PROG_PREFIX)$*$(OBJ_SUFFIX) \
 	$(LDFLAGS) $(EXTRA_LIBS) $(EXTRA_SHARED_LIBS) $(OS_LIBS)
 endif