diff --git a/make_helpers/windows.mk b/make_helpers/windows.mk
index d95d7ee..b6d6f0b 100644
--- a/make_helpers/windows.mk
+++ b/make_helpers/windows.mk
@@ -83,7 +83,7 @@
 VERSION_STRING_MESSAGE = const char version_string[] = "${VERSION_STRING}";
 VERSION_MESSAGE = const char version[] = "${VERSION}";
 define MAKE_BUILD_STRINGS
-	@echo $$(BUILT_TIME_DATE_STRING) $$(VERSION_STRING_MESSAGE) $$((VERSION_MESSAGE)) | \
+	@echo $$(BUILT_TIME_DATE_STRING) $$(VERSION_STRING_MESSAGE) $$(VERSION_MESSAGE) | \
 		$$(CC) $$(TF_CFLAGS) $$(CFLAGS) -x c -c - -o $1
 endef