diff --git a/src/vmx/vmx.c b/src/vmx/vmx.c
index 9ad463658a..191f0b5e83 100644
--- a/src/vmx/vmx.c
+++ b/src/vmx/vmx.c
@@ -2920,6 +2920,7 @@ virVMXParseEthernet(virConf *conf, int controller, virDomainNetDef **def)
     VIR_FREE(address);
     VIR_FREE(virtualDev);
     VIR_FREE(vnet);
+    VIR_FREE(switchId);
 
     return result;
 }