diff --git a/packages/core/injector/topology-tree/topology-tree.ts b/packages/core/injector/topology-tree/topology-tree.ts
index 29ce97b96d4..940cd4aa398 100644
--- a/packages/core/injector/topology-tree/topology-tree.ts
+++ b/packages/core/injector/topology-tree/topology-tree.ts
@@ -23,7 +23,7 @@ export class TopologyTree {
   }
 
   private traverseAndMapToTree(node: TreeNode<Module>, depth = 1) {
-    if (!node.value?.imports) {
+    if (!node.value.imports) {
       return;
     }
     node.value.imports.forEach(child => {
diff --git a/packages/core/scanner.ts b/packages/core/scanner.ts
index 99796865a2b..e7345092315 100644
--- a/packages/core/scanner.ts
+++ b/packages/core/scanner.ts
@@ -401,6 +401,9 @@ export class DependenciesScanner {
     modulesGenerator.next();
 
     const rootModule = modulesGenerator.next().value!;
+    if (!rootModule) {
+      return;
+    }
 
     // Convert modules to an acyclic connected graph
     const tree = new TopologyTree(rootModule);