diff --git a/coverity/prepare_source_Osmocom.sh b/coverity/prepare_source_Osmocom.sh
index 63fbea0c..526e9d35 100755
--- a/coverity/prepare_source_Osmocom.sh
+++ b/coverity/prepare_source_Osmocom.sh
@@ -65,7 +65,7 @@ done
 # We want to compile tests, but not execute them.  Using 'noinst_PROGRAMS'
 # instead of 'check_PROGRAMS' allows building test binaries during 'make all'.
 for proj in $PROJECTS; do
-	files="$(git -C $proj grep -l check_PROGRAMS)"
+	files="$(git -C $proj grep -l check_PROGRAMS)" || true
 	if [ -n "$files" ]; then
 		(cd $proj && sed -i "s/check_PROGRAMS/noinst_PROGRAMS/" $files)
 	fi