diff --git a/dev/tests/run_tests.sh b/dev/tests/run_tests.sh
index 1d1f3d0..1c0f910 100755
--- a/dev/tests/run_tests.sh
+++ b/dev/tests/run_tests.sh
@@ -306,11 +306,11 @@ function test_Merge () {
 	# Don't use SetConfFileValue here since for whatever reason Travis does not like creating a sed temporary file in $FAKEROOT
 
 	if [ "$TRAVIS_RUN" == true ]; then
-		$SUDO_CMD sed -i.tmp 's/IS_STABLE=*/IS_STABLE=yes/' "$OSYNC_EXECUTABLE"
+		$SUDO_CMD sed -i.tmp 's/^IS_STABLE=.*/IS_STABLE=yes/' "$OSYNC_EXECUTABLE"
 	else
-		sed -i.tmp 's/IS_STABLE=*/IS_STABLE=yes/' "$OSYNC_EXECUTABLE"
+		sed -i.tmp 's/^IS_STABLE=.*/IS_STABLE=yes/' "$OSYNC_EXECUTABLE"
 	fi
-	head $OSYNC_EXECUTABLE
+	head -n 20 $OSYNC_EXECUTABLE
 	#SetConfFileValue "$OSYNC_EXECUTABLE" "IS_STABLE" "yes"