diff --git a/src/core/lib/surface/completion_queue.c b/src/core/lib/surface/completion_queue.c
index e5e67a1cfe485190d7fadcaa617693d7ccc90fba..8067b1000dfc70ac2e721279980841e0f3bc0bae 100644
--- a/src/core/lib/surface/completion_queue.c
+++ b/src/core/lib/surface/completion_queue.c
@@ -474,7 +474,7 @@ int grpc_get_cq_poll_num(grpc_completion_queue *cq) {
 }
 
 #ifndef NDEBUG
-void grpc_cq_internal_ref(grpc_completion_queue *cc, const char *reason,
+void grpc_cq_internal_ref(grpc_completion_queue *cq, const char *reason,
                           const char *file, int line) {
   if (GRPC_TRACER_ON(grpc_trace_cq_refcount)) {
     gpr_atm val = gpr_atm_no_barrier_load(&cq->owning_refs.count);