diff --git a/lib/libthr/thread/thr_rtld.c b/lib/libthr/thread/thr_rtld.c
index 8e09494080f3..bd64381b7776 100644
--- a/lib/libthr/thread/thr_rtld.c
+++ b/lib/libthr/thread/thr_rtld.c
@@ -180,7 +180,7 @@ _thr_rtld_init(void)
 {
 	struct RtldLockInfo	li;
 	struct pthread		*curthread;
-	long dummy;
+	long dummy = -1;
 
 	curthread = _get_curthread();