diff --git a/Unit-Tests/ReplicatorInternal_Tests.m b/Unit-Tests/ReplicatorInternal_Tests.m
index c3d38f26c..3f0cc23bc 100644
--- a/Unit-Tests/ReplicatorInternal_Tests.m
+++ b/Unit-Tests/ReplicatorInternal_Tests.m
@@ -292,7 +292,7 @@ - (void) test_08_Puller_SSL_Pinned {
                                       userInfo: nil]);
 
     Log(@"Now replicating with correct pinned cert...");
-    digest = @"29adb68f518347bfa2770723642414f89a4d352a";
+    digest = CBLHexSHA1Digest([self contentsOfTestFile: @"SelfSigned.cer"]);
     id lastSeq = replic8Continuous(db, remoteURL, NO, nil,
                                    @{kCBLReplicatorOption_PinnedCert: digest},
                                    nil);