1 files changed, 2 insertions, 2 deletions

diff --git a/src/firejail/join.c b/src/firejail/join.c
index 1494c782f..f61e50d31 100644
--- a/src/firejail/join.c
+++ b/src/firejail/join.c
@@ -322,8 +322,8 @@ bool is_ready_for_join(const pid_t pid) {
 void check_join_permission(pid_t pid) {
         // check if pid belongs to a fully set up firejail sandbox
         unsigned long i;
-        for (i = 0; is_ready_for_join(pid) == false; i += SNOOZE) { // give sandbox some time to start up
-                if (i >= join_timeout) {
+        for (i = SNOOZE; is_ready_for_join(pid) == false; i += SNOOZE) { // give sandbox some time to start up
+                if (i > join_timeout) {
                         fprintf(stderr, "Error: no valid sandbox\n");
                         exit(1);
                 }