diff --git a/src/gdb_main.c b/src/gdb_main.c
index 6b2059f..cec5822 100644
--- a/src/gdb_main.c
+++ b/src/gdb_main.c
@@ -41,7 +41,7 @@
 #define ERROR_IF_NO_TARGET()	\
 	if(!cur_target) { gdb_putpacketz("EFF"); break; }
 
-static char pbuf[BUF_SIZE];
+static char pbuf[BUF_SIZE+1];
 
 static target *cur_target;
 static target *last_target;