diff --git a/dd-ctl b/dd-ctl
index c3471ce..d37f512 100755
--- a/dd-ctl
+++ b/dd-ctl
@@ -175,7 +175,7 @@ ddupdate(){
 }
 
 build_compose(){
-	DD_DEFAULT_BUILD="$(git rev-parse --short HEAD)"
+	DD_DEFAULT_BUILD="$(git rev-parse --short=8 HEAD)"
 	export DD_BUILD="${DD_BUILD:-${DD_DEFAULT_BUILD}}"
 	setconf DD_BUILD "${DD_BUILD}" .env