diff --git a/scripts/plugin-test-bareos-dir.conf.in b/scripts/plugin-test-bareos-dir.conf.in
index d8f5218..8f2adc4 100644
--- a/scripts/plugin-test-bareos-dir.conf.in
+++ b/scripts/plugin-test-bareos-dir.conf.in
@@ -232,8 +232,8 @@ FileSet {
       signature=MD5
     }
     File = <@tmpdir@/file-list
-    Plugin = "bpipe:/@bpipe@/encrypt-bug.jpg:cat @builddir@/../encrypt-bug.jpg:cat >@tmpdir@/encrypt-bug.jpg"
-    Plugin = "bpipe:/@bpipe@/Makefile:cat @builddir@/../Makefile:cat >@tmpdir@/Makefile"
+    Plugin = "bpipe:/@bpipe@/encrypt-bug.jpg:cat @builddir@/../encrypt-bug.jpg:sh -c 'cat >@tmpdir@/encrypt-bug.jpg'"
+    Plugin = "bpipe:/@bpipe@/Makefile:cat @builddir@/../Makefile:sh -c 'cat >@tmpdir@/Makefile'"
   }
 }
 
@@ -245,8 +245,8 @@ FileSet {
       signature=MD5
     }
     File = <@tmpdir@/file-list
-    Plugin = "test-plugin:/@test-plugin@/encrypt-bug.jpg:cat @builddir@/../encrypt-bug.jpg:cat >@tmpdir@/encrypt-bug.jpg"
-    Plugin = "test-plugin:/@test-plugin@/Makefile:cat @builddir@/../Makefile:cat >@tmpdir@/Makefile"
+    Plugin = "test-plugin:/@test-plugin@/encrypt-bug.jpg:cat @builddir@/../encrypt-bug.jpg:sh -c 'cat >@tmpdir@/encrypt-bug.jpg'"
+    Plugin = "test-plugin:/@test-plugin@/Makefile:cat @builddir@/../Makefile:sh -c 'cat >@tmpdir@/Makefile'"
   }
 }