diff --git a/tests/lean/run/blast_cc_noconfusion.lean b/tests/lean/run/blast_cc_noconfusion.lean
index 462dc49af3..0e8c51c740 100644
--- a/tests/lean/run/blast_cc_noconfusion.lean
+++ b/tests/lean/run/blast_cc_noconfusion.lean
@@ -1,6 +1,8 @@
 import data.list
 open nat
 
+set_option blast.strategy "cc"
+
 constant f : nat → nat
 
 example (a b c d : nat) : f d = f b → succ a = f b → f d = succ c → a = c :=