1 files changed, 1 insertions, 1 deletions

diff --git a/src/firejail/network.c b/src/firejail/network.c
index 3e6b9d29d..93249a29b 100644
--- a/src/firejail/network.c
+++ b/src/firejail/network.c
@@ -229,7 +229,7 @@ uint32_t network_get_defaultgw(void) {
                         continue;
 
                 char *ptr = buf;
-                while (*ptr != ' ' && *ptr != '\t')
+                while (*ptr != ' ' && *ptr != '\t' && *ptr != '\0')
                         ptr++;
                 while (*ptr == ' ' || *ptr == '\t')
                         ptr++;