eval.c: fix segfault when invoking a tagged non-function lvalue

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/eval.c b/eval.c
index 0de6dd8..1d202c5 100644
--- a/eval.c
+++ b/eval.c
@@ -867,7 +867,7 @@ ut_execute_call(struct ut_state *state, struct ut_opcode *op)
 	struct json_object *rv;
 	char *lhs;
 
-	if (!decl) {
+	if (!decl || decl->type != T_FUNC) {
 		lhs = ut_ref_to_str(op->operand[0]);
 		rv = ut_exception(state, op->operand[0],
 			"Type error: %s is not a function",