1 files changed, 3 insertions, 2 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/android/LocalResourceContainer.java b/src/main/java/com/google/devtools/build/lib/rules/android/LocalResourceContainer.java
index a69c1dbd97..7f89fd406b 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/android/LocalResourceContainer.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/android/LocalResourceContainer.java
@@ -151,7 +151,8 @@ public final class LocalResourceContainer {
      * @return The Builder.
      */
     public LocalResourceContainer.Builder withAssets(
-        PathFragment assetsDir, Iterable<? extends TransitiveInfoCollection> targets) {
+        PathFragment assetsDir, Iterable<? extends TransitiveInfoCollection> targets)
+        throws RuleErrorException {
       for (TransitiveInfoCollection target : targets) {
         for (Artifact file : target.getProvider(FileProvider.class).getFilesToBuild()) {
           PathFragment packageFragment = file.getArtifactOwner().getLabel()
@@ -165,7 +166,7 @@ public final class LocalResourceContainer {
             ruleContext.attributeError(ResourceType.ASSETS.getAttribute(), String.format(
                 "'%s' (generated by '%s') is not beneath '%s'",
                 file.getRootRelativePath(), target.getLabel(), assetsDir));
-            return this;
+            throw new RuleErrorException();
           }
           assets.add(file);
         }