diff --git a/compiler/src/process_component_build.ts b/compiler/src/process_component_build.ts
index 6d2f916..f74c70e 100644
--- a/compiler/src/process_component_build.ts
+++ b/compiler/src/process_component_build.ts
@@ -465,7 +465,7 @@ function processDebug(node: ts.Statement, nameResult: NameResult, newStatements:
     let curFileName: string;
     let line: number = 1;
     let col: number = 1;
-    if (newsupplement.isAcceleratePreview) {
+    if (sourceNode && newsupplement.isAcceleratePreview) {
       posOfNode = sourceNode.getLineAndCharacterOfPosition(getRealNodePos(node));
       curFileName = newsupplement.fileName;
       if (posOfNode.line === 0) {