diff --git a/srcpkgs/SLADE/patches/0001-Use-wxWidgets_CONFIG_EXECUTABLE-in-cmake-when-it-is-.patch b/srcpkgs/SLADE/patches/0001-Use-wxWidgets_CONFIG_EXECUTABLE-in-cmake-when-it-is-.patch
new file mode 100644
index 00000000000..933283cb0dc
--- /dev/null
+++ b/srcpkgs/SLADE/patches/0001-Use-wxWidgets_CONFIG_EXECUTABLE-in-cmake-when-it-is-.patch
@@ -0,0 +1,32 @@
+From 817186687e4b600637366a6977d96939cc6ababb Mon Sep 17 00:00:00 2001
+From: John Zimmermann <johnz@posteo.net>
+Date: Wed, 28 Nov 2018 16:22:45 +0100
+Subject: [PATCH] Use wxWidgets_CONFIG_EXECUTABLE in cmake when it is set
+
+This variable does already get used by find_package(wxWidgets...), this
+enusres that the additional version checks do also use the correct
+wx-config executable
+---
+ src/CMakeLists.txt | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git src/CMakeLists.txt src/CMakeLists.txt
+index 2a0349d5..04634448 100644
+--- src/CMakeLists.txt
++++ src/CMakeLists.txt
+@@ -16,7 +16,11 @@ unset(WITH_WXPATH CACHE)
+ set( CL_WX_CONFIG wx-config )
+ 
+ if (UNIX OR MINGW)
+-    execute_process(COMMAND which ${CL_WX_CONFIG} OUTPUT_VARIABLE WX_TOOL OUTPUT_STRIP_TRAILING_WHITESPACE)
++    if(NOT wxWidgets_CONFIG_EXECUTABLE)
++        execute_process(COMMAND which ${CL_WX_CONFIG} OUTPUT_VARIABLE WX_TOOL OUTPUT_STRIP_TRAILING_WHITESPACE)
++    else()
++        set(WX_TOOL ${wxWidgets_CONFIG_EXECUTABLE})
++    endif()
+     if (NOT WX_TOOL)
+         message(FATAL_ERROR
+ "\nNo functional wx_config script was found in your PATH.\nIs the wxWidgets development package installed?\nIf you built wxWidgets yourself, you can specify the path to your built wx-config executable via WITH_WXPATH\neg. -DWITH_WXPATH=\"/path/to/wx-config/\""
+-- 
+2.19.2
+
diff --git a/srcpkgs/SLADE/template b/srcpkgs/SLADE/template
index 3f5eb9d1c9d..b1eb5ec8645 100644
--- a/srcpkgs/SLADE/template
+++ b/srcpkgs/SLADE/template
@@ -1,19 +1,22 @@
 # Template file for 'SLADE'
 pkgname=SLADE
-version=3.1.1.5
-revision=4
+version=3.1.2
+revision=1
 build_style=cmake
-configure_args="-DUSE_WEBVIEW_STARTPAGE=OFF"
-hostmakedepends="pkg-config zip"
+hostmakedepends="pkg-config p7zip"
 makedepends="SFML-devel fluidsynth-devel freeimage-devel ftgl-devel glew-devel
- gtk+-devel libcurl-devel wxWidgets-devel"
+ gtk+3-devel libcurl-devel wxWidgets-gtk3-devel"
 short_desc="Modern editor for Doom-engine based games"
 maintainer="John <johnz@posteo.net>"
 license="GPL-2.0-or-later"
 homepage="https://github.com/sirjuddington/SLADE"
 changelog="https://github.com/sirjuddington/SLADE/releases/tag/${version}"
 distfiles="https://github.com/sirjuddington/SLADE/archive/${version}.tar.gz"
-checksum=1b1c9e8267d8749f6087297ec629d1ca81777bb1b74e51853508a570e4368e2a
+checksum=213d8ac065e3ec06e7e7df39695a58296f7ca435c10244389b21d9f91ed49724
+
+if [ -z "$CROSS_BUILD" ]; then
+	configure_args+=" -DwxWidgets_CONFIG_EXECUTABLE=/usr/bin/wx-config-gtk3"
+fi
 
 pre_configure() {
 	case $XBPS_TARGET_MACHINE in