diff --git a/client/src/cmdlft55xx.c b/client/src/cmdlft55xx.c
index 40cc0be5a..a3f5ca20b 100644
--- a/client/src/cmdlft55xx.c
+++ b/client/src/cmdlft55xx.c
@@ -2807,7 +2807,7 @@ char *GetModelStrFromCID(uint32_t cid) {
 
 char *GetConfigBlock0Source(uint8_t id) {
    
-    static char buf[20];
+    static char buf[40];
     char *retStr = buf;
 
     switch (id) {