diff --git a/hooks/common.sh b/hooks/common.sh
index 131dce1..e768ee6 100755
--- a/hooks/common.sh
+++ b/hooks/common.sh
@@ -85,7 +85,7 @@ installDebianPackage ()
     #
     #  Use policy-rc to stop any daemons from starting.
     #
-    printf '#!/bin/bash\nexit 101\n' > ${prefix}/usr/sbin/policy-rc.d
+    printf '#!/bin/sh\nexit 101\n' > ${prefix}/usr/sbin/policy-rc.d
     chmod +x ${prefix}/usr/sbin/policy-rc.d
 
     #
diff --git a/t/shell-syntax.t b/t/shell-syntax.t
index 836eb45..0c5b3dd 100755
--- a/t/shell-syntax.t
+++ b/t/shell-syntax.t
@@ -49,7 +49,7 @@ sub checkFile
     close( INPUT );
 
     # Check if it is really a shell file
-    if ( $line =~ /^#! ?\/bin\/(ba)?sh/ )
+    if ( $line =~ /^#! ?\/bin\/sh/ )
     {
         $isShell = 1;
     }