diff --git a/ui/src/views/tools/ImportUnmanagedInstance.vue b/ui/src/views/tools/ImportUnmanagedInstance.vue
index 8cc27b2a86d5..1d5bec8be744 100644
--- a/ui/src/views/tools/ImportUnmanagedInstance.vue
+++ b/ui/src/views/tools/ImportUnmanagedInstance.vue
@@ -785,7 +785,7 @@ export default {
         if (json.listconfigurationsresponse.configuration !== null) {
           const config = json.listconfigurationsresponse.configuration[0]
           if (config && config.name === params.name) {
-            this.vmwareToKvmExtraParamsAllowed = config.value
+            this.vmwareToKvmExtraParamsAllowed = config.value === 'true'
           }
         }
       })