diff --git a/src/Synchronizer.cpp b/src/Synchronizer.cpp
index 6ebeead4b..cbe402956 100644
--- a/src/Synchronizer.cpp
+++ b/src/Synchronizer.cpp
@@ -491,7 +491,11 @@ void Synchronizer::synchronizeWithJournal(const string &sourceFile, list<string>
             count += err;
         }
         cache->rename(key, newKey, size - bf::file_size(oldCachePath));
-        replicator->remove(oldCachePath.string().c_str());
+        #ifndef NDEBUG
+            assert(replicator->remove(oldCachePath) == 0);
+        #else
+            replicator->remove(oldCachePath);
+        #endif
     }
     
     // update the metadata for the source file
@@ -504,7 +508,11 @@ void Synchronizer::synchronizeWithJournal(const string &sourceFile, list<string>
     
     // delete the old object & journal file
     cache->deletedJournal(bf::file_size(journalName));
-    replicator->remove(journalName.c_str());
+    #ifndef NDEBUG
+        assert(replicator->remove(journalName) == 0);
+    #else
+        replicator->remove(journalName);
+    #endif
     cs->deleteObject(key);
 }