diff --git a/libguestfs.spec b/libguestfs.spec
index 0e6e4df..0085bc4 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -369,11 +369,16 @@ Requires:      /usr/bin/man
 Requires:      /usr/bin/vi
 
 # for virt-builder:
-Requires:      curl
 Requires:      gnupg
 Requires:      xz
 #Requires:     nbdkit, nbdkit-plugin-xz
 
+# for virt-builder and virt-v2v:
+Requires:      curl
+
+# for virt-v2v
+Requires:      /usr/bin/virsh
+
 
 %description tools-c
 This package contains miscellaneous system administrator command line