diff --git a/modules.d/95dasd_rules/parse-dasd.sh b/modules.d/95dasd_rules/parse-dasd.sh
index 67ed8022..77b9f3cb 100755
--- a/modules.d/95dasd_rules/parse-dasd.sh
+++ b/modules.d/95dasd_rules/parse-dasd.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 create_udev_rule() {
     local ccw=$1
diff --git a/modules.d/95zfcp_rules/parse-zfcp.sh b/modules.d/95zfcp_rules/parse-zfcp.sh
index 9fc681de..7defb04f 100755
--- a/modules.d/95zfcp_rules/parse-zfcp.sh
+++ b/modules.d/95zfcp_rules/parse-zfcp.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 create_udev_rule() {
     local ccw=$1