diff --git a/tcp_tests/templates/virtual-mcp10-ovs/underlay.yaml b/tcp_tests/templates/virtual-mcp10-ovs/underlay.yaml
index aa589ef..528a0bf 100644
--- a/tcp_tests/templates/virtual-mcp10-ovs/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp10-ovs/underlay.yaml
@@ -144,7 +144,7 @@
             role: salt_master
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 2048
+              memory: !os_env SLAVE_NODE_MEMORY, 4096
               boot:
                 - hd
               cloud_init_volume_name: iso