diff --git a/src/connector.c b/src/connector.c
index 555ede9f..6ed11b33 100644
--- a/src/connector.c
+++ b/src/connector.c
@@ -598,5 +598,5 @@ out:
 		send_proc(&ckp->main, "shutdown");
 		sleep(1);
 	}
-	exit(ret);
+	exit(ret? 1: 0);
 }
diff --git a/src/generator.c b/src/generator.c
index b4fff498..2d9a2986 100644
--- a/src/generator.c
+++ b/src/generator.c
@@ -1237,5 +1237,5 @@ int generator(proc_instance_t *pi)
 		send_proc(&ckp->main, "shutdown");
 		sleep(1);
 	}
-	exit(ret);
+	exit(ret? 1: 0);
 }
diff --git a/src/stratifier.c b/src/stratifier.c
index ce351b0c..9ca0b74e 100644
--- a/src/stratifier.c
+++ b/src/stratifier.c
@@ -1951,5 +1951,5 @@ int stratifier(proc_instance_t *pi)
 		sleep(1);
 	}
 
-	exit(ret);
+	exit(ret? 1: 0);
 }