diff --git a/rtl/wasm32/except_native.inc b/rtl/wasm32/except_native.inc
new file mode 100644
index 0000000000..8e12f1c68e
--- /dev/null
+++ b/rtl/wasm32/except_native.inc
@@ -0,0 +1,17 @@
+{
+    This file is part of the Free Pascal run time library.
+    Copyright (c) 1999-2000 by Michael Van Canneyt
+    member of the Free Pascal development team
+
+    See the file COPYING.FPC, included in this distribution,
+    for details about the copyright.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+ **********************************************************************}
+
+{****************************************************************************
+                                Exception support
+****************************************************************************}
diff --git a/rtl/wasm32/makefile.cpu b/rtl/wasm32/makefile.cpu
index 07afe94a2f..4ab79acbc9 100644
--- a/rtl/wasm32/makefile.cpu
+++ b/rtl/wasm32/makefile.cpu
@@ -2,5 +2,5 @@
 # Here we set processor dependent include file names.
 #
 
-CPUNAMES=
+CPUNAMES=except_native
 CPUINCNAMES=$(addsuffix .inc,$(CPUNAMES))
diff --git a/rtl/wasm32/wasm32.inc b/rtl/wasm32/wasm32.inc
index 0fe7785113..47684546b5 100644
--- a/rtl/wasm32/wasm32.inc
+++ b/rtl/wasm32/wasm32.inc
@@ -111,3 +111,7 @@ function InterLockedExchangeAdd (var Target: smallint;Source : smallint) : small
     Result:=Target;
     inc(Target,Source);
   end;
+
+{$if defined(FPC_WASM_NATIVE_EXCEPTIONS)}
+  {$I except_native.inc}
+{$endif}