diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index a1f3f72..492a9c4 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -75,7 +75,7 @@
 	@echo "Unzip $(dir $@) <- $<"
 	$(hide) rm -rf $(dir $@) && mkdir -p $(dir $@)
 	$(hide) unzip -qo $< -d $(dir $@)
-	$(call split-long-arguments,touch,$(_pdk_fusion_files))
+	$(call split-long-arguments,-touch,$(_pdk_fusion_files))
 	$(hide) touch $@