diff --git a/libraries/webkitgtk3/webkitgtk-2.4.9-abs.patch b/libraries/webkitgtk3/webkitgtk-2.4.9-abs.patch
new file mode 100644
index 0000000000..5fadc28890
--- /dev/null
+++ b/libraries/webkitgtk3/webkitgtk-2.4.9-abs.patch
@@ -0,0 +1,28 @@
+diff -Nur webkitgtk-2.4.9.orig/Source/WebCore/platform/gtk/GtkClickCounter.cpp webkitgtk-2.4.9/Source/WebCore/platform/gtk/GtkClickCounter.cpp
+--- webkitgtk-2.4.9.orig/Source/WebCore/platform/gtk/GtkClickCounter.cpp	2015-05-20 03:03:24.000000000 -0600
++++ webkitgtk-2.4.9/Source/WebCore/platform/gtk/GtkClickCounter.cpp	2016-02-07 11:30:42.392686308 -0700
+@@ -85,8 +85,8 @@
+     guint32 eventTime = getEventTime(event);
+ 
+     if ((event->type == GDK_2BUTTON_PRESS || event->type == GDK_3BUTTON_PRESS)
+-        || ((abs(buttonEvent->x - m_previousClickPoint.x()) < doubleClickDistance)
+-            && (abs(buttonEvent->y - m_previousClickPoint.y()) < doubleClickDistance)
++        || ((fabs(buttonEvent->x - m_previousClickPoint.x()) < doubleClickDistance)
++            && (fabs(buttonEvent->y - m_previousClickPoint.y()) < doubleClickDistance)
+             && (eventTime - m_previousClickTime < static_cast<guint>(doubleClickTime))
+             && (buttonEvent->button == m_previousClickButton)))
+         m_currentClickCount++;
+diff -Nur webkitgtk-2.4.9.orig/Source/WebCore/platform/gtk/LocalizedStringsGtk.cpp 
+webkitgtk-2.4.9/Source/WebCore/platform/gtk/LocalizedStringsGtk.cpp
+--- webkitgtk-2.4.9.orig/Source/WebCore/platform/gtk/LocalizedStringsGtk.cpp	2015-05-20 03:03:24.000000000 -0600
++++ webkitgtk-2.4.9/Source/WebCore/platform/gtk/LocalizedStringsGtk.cpp	2016-02-07 11:49:36.384691005 -0700
+@@ -659,7 +659,7 @@
+     if (!std::isfinite(time))
+         return String::fromUTF8(_("indefinite time"));
+ 
+-    int seconds = static_cast<int>(abs(time));
++    int seconds = static_cast<int>(fabs(time));
+     int days = seconds / (60 * 60 * 24);
+     int hours = seconds / (60 * 60);
+     int minutes = (seconds / 60) % 60;
+
diff --git a/libraries/webkitgtk3/webkitgtk3.SlackBuild b/libraries/webkitgtk3/webkitgtk3.SlackBuild
index a04416f21d..e33636bf82 100644
--- a/libraries/webkitgtk3/webkitgtk3.SlackBuild
+++ b/libraries/webkitgtk3/webkitgtk3.SlackBuild
@@ -76,7 +76,10 @@ find -L . \
 # Check if geoclue is there
 if pkg-config --exists geoclue ; then GEOCLUE="yes" ; else GEOCLUE="no" ; fi
 
-CFLAGS="$SLKCFLAGS" \
+# Fix for gcc-6.x
+patch -p1 < $CWD/webkitgtk-2.4.9-abs.patch
+
+CFLAGS="$SLKCFLAGS -fno-delete-null-pointer-checks" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \
   --prefix=/usr \