diff --git a/regression/cbmc/Function_Pointer17/test.desc b/regression/cbmc/Function_Pointer17/test.desc
index 52168c7eba..c0bbb27f44 100644
--- a/regression/cbmc/Function_Pointer17/test.desc
+++ b/regression/cbmc/Function_Pointer17/test.desc
@@ -1,6 +1,6 @@
-KNOWNBUG
+CORE
 main.c
-
+--unwind 1
 ^EXIT=0$
 ^SIGNAL=0$
 ^VERIFICATION SUCCESSFUL$