diff --git a/tests/hwsim/vm/vm-run.sh b/tests/hwsim/vm/vm-run.sh
index 77703bf58..a748e1047 100755
--- a/tests/hwsim/vm/vm-run.sh
+++ b/tests/hwsim/vm/vm-run.sh
@@ -9,7 +9,7 @@ fi
 LOGS=/tmp/hwsim-test-logs
 
 # increase the memory size if you want to run with valgrind, 512 MB works
-MEMORY=128
+MEMORY=192
 
 # Some ubuntu systems (notably 12.04) have issues with this - since the guest
 # mounts as read-only it should be safe to not specify ,readonly. Override in