1 files changed, 3 insertions, 1 deletions

diff --git a/src/firejail/sandbox.c b/src/firejail/sandbox.c
index 441269277..ddf6f785d 100644
--- a/src/firejail/sandbox.c
+++ b/src/firejail/sandbox.c
@@ -134,9 +134,11 @@ static void monitor_application(pid_t app_pid) {
                 usleep(20000);
 
                 int status;
-                unsigned rv;
+                pid_t rv;
                 do {
                         rv = waitpid(-1, &status, 0);
+                        if (rv == -1)
+                                break;
                 }
                 while(rv != app_pid);
                 if (arg_debug)