diff --git a/conformance/02_push_test.go b/conformance/02_push_test.go
index 5c4122a9..ea035639 100644
--- a/conformance/02_push_test.go
+++ b/conformance/02_push_test.go
@@ -219,7 +219,10 @@ var test02Push = func() {
 				Expect(err).To(BeNil())
 				Expect(resp.StatusCode()).To(Equal(http.StatusNoContent))
 				Expect(resp.Header().Get("Location")).ToNot(BeEmpty())
-				Expect(resp.Header().Get("Range")).To(Equal(testBlobBChunk1Range))
+				Expect(resp.Header().Get("Range")).To(SatisfyAny(
+					Equal(testBlobBChunk1Range), // Allow missing "bytes=" prefix
+					Equal(fmt.Sprintf("bytes=%s", testBlobBChunk1Range)),
+				))
 				lastResponse = resp
 			})