diff --git a/csharp/ql/src/codeql-suites/csharp-ccr.qls b/csharp/ql/src/codeql-suites/csharp-ccr.qls
index 87941ca02ed9..d44251d10b6a 100644
--- a/csharp/ql/src/codeql-suites/csharp-ccr.qls
+++ b/csharp/ql/src/codeql-suites/csharp-ccr.qls
@@ -7,3 +7,4 @@
       - cs/reference-equality-on-valuetypes
       - cs/self-assignment
       - cs/inefficient-containskey
+      - cs/call-to-object-tostring