diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c
index 49ea5e9c..55c2bbe4 100644
--- a/src/ldso/dynlink.c
+++ b/src/ldso/dynlink.c
@@ -60,7 +60,7 @@ struct dso {
 	size_t map_len;
 	dev_t dev;
 	ino_t ino;
-	char global;
+	signed char global;
 	char relocated;
 	char constructed;
 	struct dso **deps;