diff --git a/Execute.m b/Execute.m
index 4d44c1c..1afcab1 100644
--- a/Execute.m
+++ b/Execute.m
@@ -99,6 +99,8 @@ void ExecuteProgram(const char *executable, const char *iwad, const char *args)
 
     if (childpid == 0)
     {
+        signal(SIGCHLD, SIG_DFL);
+
         DoExec(executable, iwad, args);
     }
     else