diff --git a/playwright/src/main/java/com/microsoft/playwright/impl/TracingImpl.java b/playwright/src/main/java/com/microsoft/playwright/impl/TracingImpl.java
index 9495fb61..b9a4d6a7 100644
--- a/playwright/src/main/java/com/microsoft/playwright/impl/TracingImpl.java
+++ b/playwright/src/main/java/com/microsoft/playwright/impl/TracingImpl.java
@@ -93,7 +93,7 @@ class TracingImpl implements Tracing {
     includeSources = options.sources != null;
     if (includeSources) {
       if (!context.connection.isCollectingStacks()) {
-        throw new PlaywrightException("Source root directories must be provided to enable source collection");
+        throw new PlaywrightException("Source root directory must be specified via PLAYWRIGHT_JAVA_SRC environment variable when source collection is enabled");
       }
       params.addProperty("sources", true);
     }