diff --git a/Riot/Modules/MatrixKit/Models/Account/MXKAccount.m b/Riot/Modules/MatrixKit/Models/Account/MXKAccount.m
index d0047f5f06..728a90fa18 100644
--- a/Riot/Modules/MatrixKit/Models/Account/MXKAccount.m
+++ b/Riot/Modules/MatrixKit/Models/Account/MXKAccount.m
@@ -2073,6 +2073,11 @@ - (void)checkSyncFilterCompatibility:(MXFilterJSONModel*)syncFilter completion:(
               mxSession.syncFilterId, syncFilter.JSONDictionary);
         completion(NO);
     }
+    else if (!mxSession.store.allFilterIds.count)
+    {
+        MXLogDebug(@"[MXKAccount] There are no filters stored in this session, proceed as if no /sync was done before");
+        completion(YES);
+    }
     else
     {
         // Check the filter is the one previously set
diff --git a/changelog.d/5873.bugfix b/changelog.d/5873.bugfix
new file mode 100644
index 0000000000..cf3c092802
--- /dev/null
+++ b/changelog.d/5873.bugfix
@@ -0,0 +1 @@
+MXAccount: Do not clear cache if there are no stored filters