diff --git a/git/Dockerfile b/git/Dockerfile
index 0b62697..edd04d5 100644
--- a/git/Dockerfile
+++ b/git/Dockerfile
@@ -1,5 +1,5 @@
 ARG CI_COMMIT_SHORT_SHA
-FROM williammiceli/grav:$CI_COMMIT_SHORT_SHA
+FROM williammiceli/grav:${CI_COMMIT_SHORT_SHA}
 
 # Install Git
 RUN apk add --no-cache git
\ No newline at end of file