diff --git a/bin/git-abort b/bin/git-abort
index 078c3da..cd7e067 100755
--- a/bin/git-abort
+++ b/bin/git-abort
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Abort a rebase, merge, `am`, a cherry-pick or a revert, depending on the situation.
 
@@ -16,5 +16,5 @@ elif [[ -e .git/MERGE_MODE ]] ; then
     exec git merge --abort "$@"
 else
     echo git-abort: unknown state
-    exit -1
+    exit 1
 fi
diff --git a/bin/git-continue b/bin/git-continue
index 9bebe0d..9649ec9 100755
--- a/bin/git-continue
+++ b/bin/git-continue
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Continue a rebase or cherry-pick in the event of conflicts.
 
@@ -12,5 +12,5 @@ elif [[ -e .git/rebase-merge ]] ; then
     exec git rebase --continue "$@"
 else
     echo git-abort: unknown state
-    exit -1
+    exit 1
 fi