diff --git a/cli/cli.go b/cli/cli.go
index ebcb83dd..1e5a13ab 100644
--- a/cli/cli.go
+++ b/cli/cli.go
@@ -63,7 +63,7 @@ func Parse() {
 		return
 	}
 
-	if *flagDebugMode {
+	if *flagDebugMode || cfg.HasDebugMode() {
 		logger.EnableDebug()
 	}
 
diff --git a/config/config.go b/config/config.go
index 4f182e55..bf4f43d5 100644
--- a/config/config.go
+++ b/config/config.go
@@ -48,6 +48,11 @@ func (c *Config) getInt(key string, fallback int) int {
 	return v
 }
 
+// HasDebugMode returns true if debug mode is enabled.
+func (c *Config) HasDebugMode() bool {
+	return c.get("DEBUG", "") != ""
+}
+
 // BaseURL returns the application base URL.
 func (c *Config) BaseURL() string {
 	return c.get("BASE_URL", defaultBaseURL)