diff --git a/rs/java/android/renderscript/FileA3D.java b/rs/java/android/renderscript/FileA3D.java
index 41648101cc885..9d8f1624a0519 100644
--- a/rs/java/android/renderscript/FileA3D.java
+++ b/rs/java/android/renderscript/FileA3D.java
@@ -145,6 +145,9 @@ public class FileA3D extends BaseObj {
             case MESH:
                 entry.mLoadedObj = new Mesh(objectID, rs);
                 break;
+
+            default:
+                throw new RSRuntimeException("Unrecognized object type in file.");
             }
 
             entry.mLoadedObj.updateFromNative();