diff --git a/src/vol/vol-info.c b/src/vol/vol-info.c
index ed60bf09f9..9e19390da3 100644
--- a/src/vol/vol-info.c
+++ b/src/vol/vol-info.c
@@ -1245,7 +1245,7 @@ HandleVnodes(Volume * vp, VnodeClass class)
     for (opr_queue_Scan(scanList, cursor)) {
 	struct VnodeScanProc *entry = (struct VnodeScanProc *)cursor;
 	if (entry->heading) {
-	    printf(entry->heading);
+	    printf("%s", entry->heading);
 	}
     }