diff --git a/cmd/version.go b/cmd/version.go
index c54e3148..9594ecc7 100644
--- a/cmd/version.go
+++ b/cmd/version.go
@@ -1,4 +1,4 @@
 package cmd
 
 // Version - Wails version
-const Version = "v1.8.1"
+const Version = "v1.9.1"
diff --git a/cmd/wails/4_build.go b/cmd/wails/4_build.go
index 60091d3c..d42cdff6 100644
--- a/cmd/wails/4_build.go
+++ b/cmd/wails/4_build.go
@@ -83,6 +83,9 @@ func init() {
 			return fmt.Errorf("Unable to find 'project.json'. Please check you are in a Wails project directory")
 		}
 
+		// Set firebug flag
+		projectOptions.UseFirebug = usefirebug
+
 		// Check that this platform is supported
 		if !projectOptions.PlatformSupported() {
 			logger.Yellow("WARNING: This project is unsupported on %s - it probably won't work!\n         Valid platforms: %s\n", runtime.GOOS, strings.Join(projectOptions.Platforms, ", "))