diff --git a/GNUmakefile b/GNUmakefile
index 36bc65d6d..72cce0b8d 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -199,7 +199,7 @@ dev: ## Build for the current development platform
 	@rm -f $(GOPATH)/bin/nomad
 	@$(MAKE) --no-print-directory \
 		$(DEV_TARGET) \
-		GO_TAGS=nomad_test $(NOMAD_UI_TAG)
+		GO_TAGS="nomad_test $(NOMAD_UI_TAG)"
 	@mkdir -p $(PROJECT_ROOT)/bin
 	@mkdir -p $(GOPATH)/bin
 	@cp $(PROJECT_ROOT)/$(DEV_TARGET) $(PROJECT_ROOT)/bin/