diff --git a/check_git.sh b/check_git.sh
index 2cc7afa..f975b66 100755
--- a/check_git.sh
+++ b/check_git.sh
@@ -2,7 +2,7 @@
 
 git fetch
 HEADHASH=$(git rev-parse HEAD)
-UPSTREAMHASH=$(git rev-parse master@{upstream})
+UPSTREAMHASH=$(git rev-parse main@{upstream})
 
 if [ "$HEADHASH" != "$UPSTREAMHASH" ]
 then