diff --git a/scripts/preHook.sh b/scripts/preHook.sh
index e65965ae..d99211d6 100755
--- a/scripts/preHook.sh
+++ b/scripts/preHook.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
 CUR_VER="$(cat ./scripts/curVer)"
-COMMIT_TRIM="${TRAVIS_COMMIT::33}"
+COMMIT_TRIM="${TRAVIS_COMMIT::7}"
 sed -i "s/modVersion=.*/modVersion=${CUR_VER:1}-$COMMIT_TRIM/" gradle.properties
 sed -i "s/\"version\": \".*\",/\"version\": \"${CUR_VER:1}-$COMMIT_TRIM\",/" src/main/resources/mcmod.info