diff --git a/scripts/build.sh b/scripts/build.sh
index 0d363c9..dc55d30 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -14,7 +14,6 @@ ORIGINALDIR=$PWD
 # Get args without path
 EXTRA_ARGS="${@:2}"
 
-TAG=${TAG:-"${TAG_PREFIX}${NAME}"}
 
 
 # Call prepare
diff --git a/scripts/utils/prepare.sh b/scripts/utils/prepare.sh
index 5a618c6..8159b74 100755
--- a/scripts/utils/prepare.sh
+++ b/scripts/utils/prepare.sh
@@ -51,5 +51,5 @@ fi
 export VERSION
 printf "Version: ${VERSION}\n"
 
-TAG=${TAG:-"${TAG_PREFIX}${NAME}"}
+TAG=${TAG:-"${TAGPREFIX}${NAME}"}
 printf "> ${TAG}\n"