diff --git a/SC2039.md b/SC2039.md
index f0cbff6..61f4b84 100644
--- a/SC2039.md
+++ b/SC2039.md
@@ -38,7 +38,7 @@ fi
 POSIX:
 
 ```sh
-if [ "$a" -eq "$b" ]; then
+if [ "$a" = "$b" ]; then
     echo "equal"
 fi
 ```