diff --git a/Editor/Meta/MetaUtil.cs b/Editor/Meta/MetaUtil.cs
index eb95a7a..5f1b96c 100644
--- a/Editor/Meta/MetaUtil.cs
+++ b/Editor/Meta/MetaUtil.cs
@@ -122,7 +122,7 @@ namespace HybridCLR.Editor.Meta
 						}
 						return new GenericInstSig(gia.GenericType, gia.GenericArguments.Select(ga => ToShareTypeSig(corTypes, ga)).ToList());
 				}
-				case ElementType.FnPtr: return corTypes.IntPtr;
+				case ElementType.FnPtr: return corTypes.UIntPtr;
 				case ElementType.ValueArray: return typeSig;
 				case ElementType.Module: return typeSig;
 				default: