diff --git a/src/evalfunc.c b/src/evalfunc.c
index 52673b4..c092421 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -3127,8 +3127,8 @@
     // functions, check the arguments are not types.
     if (!(func_allows_type(idx)))
     {
-        for (int i = 0; i < argcount; ++i)
-            if (check_type_is_value(types[i].type_curr) == FAIL)
+	for (int i = 0; i < argcount; ++i)
+	    if (check_type_is_value(types[i].type_curr) == FAIL)
 		return FAIL;
     }