diff --git a/lib/fmt.c b/lib/fmt.c
index 5378d6f..8025efe 100644
--- a/lib/fmt.c
+++ b/lib/fmt.c
@@ -1180,7 +1180,7 @@ static int fmt_outv (hcl_t* hcl, hcl_fmtout_t* fmtout, va_list ap)
 			{
 				/*HCL_ASSERT (hcl, fb.out.ptr == fb.out.sbuf);*/
 
-				fb.out.ptr = HCL_MMGR_ALLOC(fmtout->mmgr, HCL_SIZEOF(hcl_bch_t) * (newcapa + 1));
+				fb.out.ptr = (hcl_bch_t*)HCL_MMGR_ALLOC(fmtout->mmgr, HCL_SIZEOF(hcl_bch_t) * (newcapa + 1));
 				if (!fb.out.ptr) goto oops;
 				fb.out.capa = newcapa;
 			}
diff --git a/lib/gc.c b/lib/gc.c
index f2200d6..8aa06ab 100644
--- a/lib/gc.c
+++ b/lib/gc.c
@@ -1393,7 +1393,7 @@ void hcl_popvolats (hcl_t* hcl, hcl_oow_t count)
 
 hcl_oop_t hcl_shallowcopy (hcl_t* hcl, hcl_oop_t oop)
 {
-	if (HCL_OOP_IS_POINTER(oop) && HCL_OBJ_GET_CLASS(oop) != hcl->c_symbol)
+	if (HCL_OOP_IS_POINTER(oop) && HCL_OBJ_GET_CLASS(oop) != (hcl_oop_t)hcl->c_symbol)
 	{
 		hcl_oop_t z;
 		hcl_oow_t total_bytes;
diff --git a/lib/prim.c b/lib/prim.c
index ad36b7b..3bb44ef 100644
--- a/lib/prim.c
+++ b/lib/prim.c
@@ -477,13 +477,13 @@ static hcl_pfrc_t pf_gets (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
 				newcapa = capa + HCL_COUNTOF(buf);
 				if (ptr == buf)
 				{
-					tmp = hcl_allocmem(hcl, HCL_SIZEOF(*ptr) * newcapa);
+					tmp = (hcl_ooch_t*)hcl_allocmem(hcl, HCL_SIZEOF(*ptr) * newcapa);
 					if (HCL_UNLIKELY(!tmp)) return HCL_PF_FAILURE;
 					HCL_MEMCPY (tmp, buf, HCL_SIZEOF(buf));
 				}
 				else
 				{
-					tmp = hcl_reallocmem(hcl, ptr, HCL_SIZEOF(*ptr) * newcapa);
+					tmp = (hcl_ooch_t*)hcl_reallocmem(hcl, ptr, HCL_SIZEOF(*ptr) * newcapa);
 					if (HCL_UNLIKELY(!tmp))
 					{
 						hcl_freemem(hcl, ptr);
diff --git a/lib/std.c b/lib/std.c
index d59aff4..55abcd4 100644
--- a/lib/std.c
+++ b/lib/std.c
@@ -2852,7 +2852,7 @@ static void cb_opt_set (hcl_t* hcl, hcl_option_t id, const void* value)
 
 #if defined(_WIN32)
 	#if defined(HCL_OOCH_IS_UCH) && (HCL_SIZEOF_UCH_T == HCL_SIZEOF_WCHAR_T)
-	fd = _wopen(hcl->option.log_target_u, _O_CREAT | _O_WRONLY | _O_APPEND | _O_BINARY , 0644);
+	fd = _wopen((const wchar_t*)hcl->option.log_target_u, _O_CREAT | _O_WRONLY | _O_APPEND | _O_BINARY , 0644);
 	#else
 	fd = _open(hcl->option.log_target_b, _O_CREAT | _O_WRONLY | _O_APPEND | _O_BINARY , 0644);
 	#endif
diff --git a/pas/hcl.pas b/pas/hcl.pas
index 63088e8..f1836d7 100644
--- a/pas/hcl.pas
+++ b/pas/hcl.pas
@@ -1,6 +1,7 @@
 unit HCL;
 
 {$mode objfpc}{$H+}
+{$macro on}
 {$linklib hcl}
 {$linklib c}
 {$linklib dl}
@@ -267,7 +268,7 @@ begin
 				(* included file *)
 				nf := NamedHandlePtr(arg^.includer^.handle);
 				basedir := SysUtils.ExtractFilePath(nf^.name);
-				name := UTF8Encode(arg^.name);
+				name := System.UTF8Encode(WideString(arg^.name));
 				if SysUtils.CompareStr(basedir, '') <> 0 then
 					name := SysUtils.ConcatPaths([basedir, name]);
 			end;