1 files changed, 1 insertions, 1 deletions
diff --git a/monitor.c b/monitor.c
index 97ac583e12..0783eafc37 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1824,7 +1824,7 @@ static int64_t expr_unary(void)
     case '$':
         {
             char buf[128], *q;
-            target_long reg;
+            target_long reg=0;
 
             pch++;
             q = buf;