diff --git a/lua-luaexpat.changes b/lua-luaexpat.changes
index 400a4e4..e285053 100644
--- a/lua-luaexpat.changes
+++ b/lua-luaexpat.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Apr  9 09:57:24 UTC 2021 - Callum Farmer <gmbr3@opensuse.org>
+
+- Fix build with Lua 5.4.3
+
 -------------------------------------------------------------------
 Thu Feb 18 15:55:50 UTC 2021 - Callum Farmer <gmbr3@opensuse.org>
 
diff --git a/lua-luaexpat.spec b/lua-luaexpat.spec
index 06adeaa..53764ed 100644
--- a/lua-luaexpat.spec
+++ b/lua-luaexpat.spec
@@ -50,7 +50,7 @@ make %{?_smp_mflags} \
     LUA_V=%{lua_version} \
     LUA_CDIR="%{lua_archdir}" \
     LUA_INC="-I%{lua_incdir}" \
-    CFLAGS="%{optflags} -DLUA_32BITS"
+    CFLAGS="%{optflags} -DLUA_32BITS -std=c99"
 
 %install
 %makeinstall \