diff --git a/regression/cbmc/Bool3/test.desc b/regression/cbmc/Bool3/test.desc
index 6b765c70f4..6de7955991 100644
--- a/regression/cbmc/Bool3/test.desc
+++ b/regression/cbmc/Bool3/test.desc
@@ -1,4 +1,4 @@
-KNOWNBUG
+CORE
 main.c
 
 ^EXIT=10$