diff --git a/src/export/packer/packer.spec.ts b/src/export/packer/packer.spec.ts
index 2bf8537bed..8235649f15 100644
--- a/src/export/packer/packer.spec.ts
+++ b/src/export/packer/packer.spec.ts
@@ -53,6 +53,11 @@ describe("Packer", () => {
                 assert.isDefined(error);
             });
         });
+
+        after(() => {
+            // tslint:disable-next-line:no-any
+            (Packer as any).compiler.compile.restore();
+        });
     });
 
     describe("#toBase64String()", () => {
@@ -73,5 +78,10 @@ describe("Packer", () => {
                 assert.isDefined(error);
             });
         });
+
+        after(() => {
+            // tslint:disable-next-line:no-any
+            (Packer as any).compiler.compile.restore();
+        });
     });
 });