diff --git a/libs/androidfw/ResourceTypes.cpp b/libs/androidfw/ResourceTypes.cpp
index 11e4cb835d65b..2ad2e76cc696f 100644
--- a/libs/androidfw/ResourceTypes.cpp
+++ b/libs/androidfw/ResourceTypes.cpp
@@ -3510,6 +3510,7 @@ struct ResTable::Package
     ResStringPool                   keyStrings;
 
     size_t                          typeIdOffset;
+    bool                            definesOverlayable = false;
 };
 
 // A group of objects describing a particular resource package.
@@ -6861,6 +6862,10 @@ status_t ResTable::parsePackage(const ResTable_package* const pkg,
                 ALOGW("Found multiple library tables, ignoring...");
             }
         } else {
+            if (ctype == RES_TABLE_OVERLAYABLE_TYPE) {
+                package->definesOverlayable = true;
+            }
+
             status_t err = validate_chunk(chunk, sizeof(ResChunk_header),
                                           endPos, "ResTable_package:unknown");
             if (err != NO_ERROR) {
@@ -7138,6 +7143,11 @@ status_t ResTable::createIdmap(const ResTable& targetResTable,
         return UNKNOWN_ERROR;
     }
 
+    // Idmap is not aware of overlayable, exit since policy checks can't be done
+    if (targetResTable.mPackageGroups[0]->packages[0]->definesOverlayable) {
+        return UNKNOWN_ERROR;
+    }
+
     const ResTable_package* targetPackageStruct =
         targetResTable.mPackageGroups[0]->packages[0]->package;
     const size_t tmpNameSize = arraysize(targetPackageStruct->name);