diff --git a/src/testing.c b/src/testing.c
index 81e1762..35c2683 100644
--- a/src/testing.c
+++ b/src/testing.c
@@ -764,6 +764,7 @@
     switch (argvars[0].v_type)
     {
 	case VAR_UNKNOWN:
+	case VAR_ANY:
 	case VAR_VOID:
 	case VAR_NUMBER:
 	case VAR_BOOL: