1 files changed, 4 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/RuleContext.java b/src/main/java/com/google/devtools/build/lib/analysis/RuleContext.java
index 0de3117017..dc6f2dabe1 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/RuleContext.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/RuleContext.java
@@ -1397,6 +1397,10 @@ public final class RuleContext extends TargetContext
         return;
       }
       FileTypeSet allowedFileTypes = attribute.getAllowedFileTypesPredicate();
+      if (allowedFileTypes == null) {
+        // It's not a label or label_list attribute.
+        return;
+      }
       if (allowedFileTypes == FileTypeSet.ANY_FILE && !attribute.isNonEmpty()
           && !attribute.isSingleArtifact()) {
         return;