diff --git a/src/Makefile b/src/Makefile
index 1a2d0e3..7bf99da 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,8 +3,7 @@ GOMODTIDY ?= $(GOBIN) mod tidy
 LDFLAGS ?= -s -w
 LDFLAGS_WIN ?= -H windowsgui -s -w
 GOFLAGS ?= -trimpath
-SOURCES = server.go twitch.go youtube.go owncast.go kick.go
-SOURCES_GUI = $(SOURCES) gui.go
+SOURCES_GUI = -tags gui
 BIN = streamgoose
 
 unix:
@@ -13,7 +12,7 @@ unix:
 
 unix-headless:
 	$(GOMODTIDY)
-	$(GOBIN) build $(GOFLAGS) -ldflags "$(LDFLAGS)" -o $(BIN) $(SOURCES)
+	$(GOBIN) build $(GOFLAGS) -ldflags "$(LDFLAGS)" -o $(BIN)
 
 win64:
 	$(GOMODTIDY)
@@ -21,7 +20,7 @@ win64:
 
 win64-headless:
 	$(GOMODTIDY)
-	GOOS=windows GOARCH=amd64 $(GOBIN) build $(GOFLAGS) -ldflags "$(LDFLAGS)" -o $(BIN).exe $(SOURCES)
+	GOOS=windows GOARCH=amd64 $(GOBIN) build $(GOFLAGS) -ldflags "$(LDFLAGS)" -o $(BIN).exe
 
 clean:
 	rm $(BIN)
diff --git a/src/gui.go b/src/gui.go
index f067ca6..8f0ea98 100644
--- a/src/gui.go
+++ b/src/gui.go
@@ -1,4 +1,4 @@
-// build +gui
+//go:build gui
 /*
   StreamGoose UI — Go reference implementation