diff --git a/build.sh b/build.sh
index c92e7a9..17809ff 100755
--- a/build.sh
+++ b/build.sh
@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
 set -e;
 
-current_branch="$(git rev-parse --abbrev-ref HEAD)";
+# current_branch="$(git rev-parse --abbrev-ref HEAD)";
+is_main="$(git branch --contains HEAD | awk '/HEAD/ { next } /main/ { print $1 }')";
 
-if [[ "${1}" == "ci" ]] && [[ "${current_branch}" != "main" ]]; then
-	echo "Skipping build, because we are currently on the branch '${current_branch}', and we only deploy on the 'main' branch.";
-	exit 0;
+if [[ "${1}" == "ci" ]] && [[ ! -z "${is_main}" ]]; then
+	echo "Skipping build, because this commit does not appear to be on the 'main' branch, and we only deploy commits on the 'main' branch.";
 fi
 
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