diff --git a/clite/commands.js b/clite/commands.js
index afc6e23..20f472a 100644
--- a/clite/commands.js
+++ b/clite/commands.js
@@ -2002,7 +2002,7 @@ Options:
 			return;
 		}
 
-		if (typeof data != string) {
+		if (typeof data !== 'string') {
 			stdio.write(io.stderr,'not a normal file\n');
 			io.exit(1);
 			return;