diff --git a/libguestfs.spec b/libguestfs.spec
index e7d2875..cb329b8 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -636,6 +636,7 @@ export LIBGUESTFS_TRACE=1
 
 # Enable libvirt debugging.
 export LIBVIRT_DEBUG=1
+strace -f -s 1024 make quickcheck
 
 # This test fails because we build the ISO after encoding the checksum
 # of the ISO in the test itself.  Need to fix the test to work out the