diff --git a/SC2155.md b/SC2155.md
index 4ac4324..0d29175 100644
--- a/SC2155.md
+++ b/SC2155.md
@@ -9,7 +9,7 @@ export foo="$(mycmd)"
 ### Correct code:
 
 ```sh
-foo=$(mycmd)
+foo="$(mycmd)"
 export foo
 ```