diff --git a/MatrixSDK/MXRestClient.m b/MatrixSDK/MXRestClient.m
index 6a9c92971..38f38c3a0 100644
--- a/MatrixSDK/MXRestClient.m
+++ b/MatrixSDK/MXRestClient.m
@@ -3077,7 +3077,7 @@ - (MXHTTPOperation*)redactEvent:(NSString*)eventId
     
     if (relations && [relations count] > 0)
     {
-        NSString* property = withRelationsIsStable ? @"with_relations" : @"org.matrix.msc3912.with_relations";
+        NSString* property = withRelationsIsStable ? @"with_rel_types" : @"org.matrix.msc3912.with_relations";
         parameters[property] = relations;
     }
 
diff --git a/changelog.d/7563.change b/changelog.d/7563.change
new file mode 100644
index 000000000..bf18b5af8
--- /dev/null
+++ b/changelog.d/7563.change
@@ -0,0 +1 @@
+MSC3912 implementation: the stable property with_relations has been renamed with_rel_types