diff --git a/network/PaleMoon/PaleMoon.SlackBuild b/network/PaleMoon/PaleMoon.SlackBuild
index f87fae99da..489e1293d1 100644
--- a/network/PaleMoon/PaleMoon.SlackBuild
+++ b/network/PaleMoon/PaleMoon.SlackBuild
@@ -25,7 +25,7 @@
 # Modified by SlackBuilds.org
 
 PRGNAM=PaleMoon
-VERSION=${VERSION:-27.3.0}
+VERSION=${VERSION:-27.4.0}
 BUILD=${BUILD:-3}
 TAG=${TAG:-_SBo}
 
@@ -47,13 +47,13 @@ OUTPUT=${OUTPUT:-/tmp}
 # "-Os" might help if you experience segfaults.
 OPTIMIZE=${OPTIMIZE:-"-O2 -msse2 -mfpmath=sse"}
 if [ "$ARCH" = "i586" ]; then
-  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686 -fopenmp"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
-  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686 -fopenmp"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "x86_64" ]; then
-  SLKCFLAGS="-O2 -fPIC"
+  SLKCFLAGS="-O2 -fPIC -fopenmp"
   LIBDIRSUFFIX="64"
 else
   SLKCFLAGS="-O2"
@@ -209,10 +209,10 @@ echo "ac_add_options --enable-optimize=\"$OPTIMIZE\"" >> .mozconfig
 if ! pkg-config --exists libpulse; then
 echo "ac_add_options --disable-pulseaudio" >> .mozconfig; fi
 
-python2 mach build || echo "Next =>"
 python2 mach build
 
 # Clean up; and package PaleMoon.
+mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/mozilla/plugins
 cd $TMP/pmbuild
 make install DESTDIR=$PKG
 
diff --git a/network/PaleMoon/PaleMoon.desktop b/network/PaleMoon/PaleMoon.desktop
index b27cc6c9fb..9baada3f8f 100644
--- a/network/PaleMoon/PaleMoon.desktop
+++ b/network/PaleMoon/PaleMoon.desktop
@@ -8,6 +8,6 @@ Terminal=false
 X-MultipleArgs=false
 Type=Application
 Icon=PaleMoon-@VERSION@
-Categories=Network;WebBrowser;Internet
+Categories=Network;WebBrowser
 MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall;
 StartupNotify=true
diff --git a/network/PaleMoon/PaleMoon.info b/network/PaleMoon/PaleMoon.info
index af029d1e49..b8542aeb68 100644
--- a/network/PaleMoon/PaleMoon.info
+++ b/network/PaleMoon/PaleMoon.info
@@ -1,11 +1,11 @@
 PRGNAM="PaleMoon"
-VERSION="27.3.0"
+VERSION="27.4.0"
 HOMEPAGE="http://www.palemoon.org/"
-DOWNLOAD="https://github.com/MoonchildProductions/Pale-Moon/archive/27.3.0_Release/Pale-Moon-27.3.0_Release.tar.gz \
-	  http://ponce.cc/slackware/sources/repo/autoconf-2.13.tar.xz \
+DOWNLOAD="https://github.com/MoonchildProductions/Pale-Moon/archive/27.4.0_Release/Pale-Moon-27.4.0_Release.tar.gz \
+          http://ponce.cc/slackware/sources/repo/autoconf-2.13.tar.xz \
           http://ponce.cc/slackware/sources/repo/autoconf-2.13-consolidated_fixes-1.patch.gz"
-MD5SUM="4fe110f7aab01b6d7ad26947e800e29e \
-	f2994d302cf736e7e71974edfa51da3c \
+MD5SUM="5745c2aff5edfb8df596582a0f382fea \
+        f2994d302cf736e7e71974edfa51da3c \
         d6cdb231911a8d0b08a25b8dd8c5935c"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
diff --git a/network/PaleMoon/autoconf-2.13-consolidated_fixes-1.patch.gz b/network/PaleMoon/autoconf-2.13-consolidated_fixes-1.patch.gz
deleted file mode 100644
index 1be2c680e0..0000000000
Binary files a/network/PaleMoon/autoconf-2.13-consolidated_fixes-1.patch.gz and /dev/null differ