diff --git a/.ci/build.sh b/.ci/build.sh
index a73d3f6c8..ad3fa279c 100644
--- a/.ci/build.sh
+++ b/.ci/build.sh
@@ -297,7 +297,13 @@ esac
 
 # Add git hash and copyright year.
 git_hash=$(git rev-parse --short HEAD 2> /dev/null)
-[ -z "$git_hash" -a "$CI" = "true" ] && git_hash=$(echo $GIT_COMMIT | cut -c 1-8)
+if [ "$CI" = "true" ]
+then
+	[ -z "$git_hash" ] && git_hash=$(echo $GIT_COMMIT | cut -c 1-8)
+elif [ ! -z "$git_hash" ]
+then
+	git diff --quiet 2> /dev/null || git_hash="$git_hash+"
+fi
 [ ! -z "$git_hash" ] && cmake_flags_extra="$cmake_flags_extra -D \"EMU_GIT_HASH=$git_hash\""
 cmake_flags_extra="$cmake_flags_extra -D \"EMU_COPYRIGHT_YEAR=$(date +%Y)\""