diff --git a/.SRCINFO b/.SRCINFO
index d1488cb..339cb87 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -22,14 +22,16 @@ pkgbase = prusa-slicer-git
        depends = intel-tbb
        depends = nlopt
        depends = openvdb
-       depends = wxgtk3
+       depends = wxgtk3-dev-opt
        conflicts = prusa-slicer
        source = git+https://github.com/prusa3d/PrusaSlicer
        source = prusa-slicer.desktop
        source = qhull.patch
+       source = https://raw.githubusercontent.com/archlinux/svntogit-community/1dea61c0b581ff5001d073689f68b0323740be93/trunk/prusa-slicer-openexr3.patch
        sha256sums = SKIP
        sha256sums = 26b66701cb2512f0d524add44689e2478c0b875f73103034e74544a9574782c5
        sha256sums = 877a4de66a714e4fae22e507dba8ddf117e6310165128fb0d46dc239a4e1aeb5
+       sha256sums = 1ef7c22f641b7c18de212202c21f14f6533834a36d7fe0c2b322bc9a13804c6b

 pkgname = prusa-slicer-git

diff --git a/PKGBUILD b/PKGBUILD
index 9b53cda..d5dd1a0 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -17,7 +17,7 @@ depends=(
     'intel-tbb'
     'nlopt'
     'openvdb'
-    'wxgtk3'
+    'wxgtk3-dev-opt'
     # 'qhull'
 )
 makedepends=(
@@ -32,11 +32,15 @@ source=(
     "git+${url}"
     'prusa-slicer.desktop'
     'qhull.patch'
+       "https://raw.githubusercontent.com/archlinux/svntogit-community/1dea61c0b581ff5001d073689f68b0323740be93/trunk/prusa-slicer-openexr3.patch"
 )
+
+
 sha256sums=(
     'SKIP'
     '26b66701cb2512f0d524add44689e2478c0b875f73103034e74544a9574782c5'
     '877a4de66a714e4fae22e507dba8ddf117e6310165128fb0d46dc239a4e1aeb5'
+    '1ef7c22f641b7c18de212202c21f14f6533834a36d7fe0c2b322bc9a13804c6b'
 )
 conflicts=('prusa-slicer')

@@ -48,6 +52,11 @@ pkgver() {
 prepare() {
     cd "PrusaSlicer"
     patch --forward --strip=1 --input="${srcdir}/qhull.patch"
+       if pacman -qQi imath &> /dev/null # not all distros has already upgrade to openEXR 3
+       then
+               test $? -eq 0 && patch -p1 < "$srcdir/prusa-slicer-openexr3.patch" # Fix build with openEXR 3
+       fi
+
 }

 build() {
@@ -64,6 +73,8 @@ build() {
         -DSLIC3R_WX_STABLE=ON \
         -DSLIC3R_GTK=3 \
         -DSLIC3R_STATIC=OFF \
+               -DSLIC3R_BUILD_TESTS=OFF \
+               -DwxWidgets_CONFIG_EXECUTABLE=/opt/wxgtk-dev/bin/wx-config

     ninja
 }