diff --git a/Makefile b/Makefile
index 504564dee..0bffa784d 100644
--- a/Makefile
+++ b/Makefile
@@ -19,11 +19,11 @@ ifndef CGO_LDFLAGS
     export CGO_LDFLAGS := $(LDFLAGS)
 endif
 
-GO_LDFLAGS := -X github.com/cli/cli/command.Version=$(GH_VERSION)
-GO_LDFLAGS += -X github.com/cli/cli/command.BuildDate=$(BUILD_DATE)
+GO_LDFLAGS := -X github.com/cli/cli/command.Version=$(GH_VERSION) $(GO_LDFLAGS)
+GO_LDFLAGS := -X github.com/cli/cli/command.BuildDate=$(BUILD_DATE) $(GO_LDFLAGS)
 ifdef GH_OAUTH_CLIENT_SECRET
-	GO_LDFLAGS += -X github.com/cli/cli/internal/config.oauthClientID=$(GH_OAUTH_CLIENT_ID)
-	GO_LDFLAGS += -X github.com/cli/cli/internal/config.oauthClientSecret=$(GH_OAUTH_CLIENT_SECRET)
+	GO_LDFLAGS := -X github.com/cli/cli/internal/config.oauthClientID=$(GH_OAUTH_CLIENT_ID) $(GO_LDFLAGS)
+	GO_LDFLAGS := -X github.com/cli/cli/internal/config.oauthClientSecret=$(GH_OAUTH_CLIENT_SECRET) $(GO_LDFLAGS)
 endif
 
 bin/gh: $(BUILD_FILES)