diff --git a/src/type.zig b/src/type.zig
index 64a5643eb6f33a83284ed7f346e3032eee081587..f2fad91eba2bdca01974b8503998997dc6d40259 100644
--- a/src/type.zig
+++ b/src/type.zig
@@ -826,7 +826,7 @@ pub const Type = struct {
     }
 
     pub fn isNoReturn(ty: Type, mod: *Module) bool {
-        return mod.intern_pool.isNoReturn(ty.ip_index);
+        return if (ty.ip_index != .none) mod.intern_pool.isNoReturn(ty.ip_index) else false;
     }
 
     /// Returns 0 if the pointer is naturally aligned and the element type is 0-bit.