diff --git a/misc.c b/misc.c
index 4e8764fb..7e3acd71 100644
--- a/misc.c
+++ b/misc.c
@@ -991,7 +991,7 @@ void debug_printf(const char *fmt, ...)
 }
 
 
-void debug_memdump(const void *buf, int len, int L)
+void debug_memdump(const void *buf, int len, bool L)
 {
     int i;
     const unsigned char *p = buf;