diff --git a/games/slade/files/patch-src_CMakeLists.txt b/games/slade/files/patch-src_CMakeLists.txt
index aa926d46720c..96a3bab652cb 100644
--- a/games/slade/files/patch-src_CMakeLists.txt
+++ b/games/slade/files/patch-src_CMakeLists.txt
@@ -1,6 +1,6 @@
---- src/CMakeLists.txt.orig	2018-11-25 00:21:04 UTC
+--- src/CMakeLists.txt.orig	2021-06-01 04:32:31 UTC
 +++ src/CMakeLists.txt
-@@ -16,7 +16,11 @@ unset(WITH_WXPATH CACHE)
+@@ -16,7 +16,11 @@ if (UNIX OR MINGW)
  set( CL_WX_CONFIG wx-config )
  
  if (UNIX OR MINGW)
@@ -13,7 +13,7 @@
      if (NOT WX_TOOL)
          message(FATAL_ERROR
  "\nNo functional wx_config script was found in your PATH.\nIs the wxWidgets development package installed?\nIf you built wxWidgets yourself, you can specify the path to your built wx-config executable via WITH_WXPATH\neg. -DWITH_WXPATH=\"/path/to/wx-config/\""
-@@ -52,7 +54,16 @@ if (WX_GTK3)
+@@ -52,7 +56,16 @@ endif (WX_GTK3)
  	set(wxWidgets_CONFIG_OPTIONS --toolkit=gtk3)
  endif (WX_GTK3)
  
@@ -31,3 +31,14 @@
  if (NO_WEBVIEW)
  	SET(WX_LIBS ${WX_LIBS} html)
  else (NO_WEBVIEW)
+@@ -159,8 +172,10 @@ endif(APPLE)
+ 	set_source_files_properties(${OSX_ICON} PROPERTIES MACOSX_PACKAGE_LOCATION Resources)
+ endif(APPLE)
+ 
++if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "i386")
+ # enable SSE instructions for dumb library
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_USE_SSE -msse")
++endif()
+ 
+ if(USE_SANITIZER)
+ 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address")