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-rw-r--r--contrib/rdmacm-mux/main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/rdmacm-mux/main.c b/contrib/rdmacm-mux/main.c
index 30c7052651..de53048f06 100644
--- a/contrib/rdmacm-mux/main.c
+++ b/contrib/rdmacm-mux/main.c
@@ -115,7 +115,7 @@ static void parse_args(int argc, char *argv[])
 
         case 's':
             /* This is temporary, final name will build below */
-            strncpy(unix_socket_path, optarg, SOCKET_PATH_MAX);
+            strncpy(unix_socket_path, optarg, SOCKET_PATH_MAX - 1);
             break;
 
         case 'p':