diff --git a/generate-wrapper.sh b/generate-wrapper.sh
index 728eb02..0a74a48 100755
--- a/generate-wrapper.sh
+++ b/generate-wrapper.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Recursive swift code wrapper generator for gobject-introspection (.gir) files.
 # This calls the non-recursive gir-to-swift.sh to do the heavy lifting.