diff --git a/flamingo/ptm/vec.h b/flamingo/ptm/vec.h
index 12613ca..ebf1e16 100644
--- a/flamingo/ptm/vec.h
+++ b/flamingo/ptm/vec.h
@@ -40,7 +40,7 @@ static inline int vec_map(flamingo_t* flamingo, flamingo_val_t* self, flamingo_a
 	flamingo_val_t* const vec = val_alloc();
 	vec->kind = FLAMINGO_VAL_KIND_VEC;
 	vec->vec.count = self->vec.count;
-	vec->vec.elems = malloc(vec->vec.count * sizeof *vec->vec.elems);
+	vec->vec.elems = calloc(vec->vec.count, sizeof *vec->vec.elems);
 	assert(vec->vec.elems != NULL);
 
 	for (size_t i = 0; i < vec->vec.count; i++) {
diff --git a/tests/call_arg_eval_context.fl b/tests/call_arg_eval_context.fl
index 3cf2ce1..ac5ce29 100644
--- a/tests/call_arg_eval_context.fl
+++ b/tests/call_arg_eval_context.fl
@@ -2,8 +2,6 @@
 # When calling a function that is defined in a different source file, the context's source could be switched to the source file of the function being called before the argument expressions are evaluated.
 # This would cause these evaluations to use the wrong source file.
 
-# TODO rename this
-
 import .tests.call_arg_eval_context_helper
 
 assert function("zonnebloemgranen") == "zonnebloemgranen"