diff -Naur npapi-vlc.orig/configure.ac npapi-vlc/configure.ac
--- npapi-vlc.orig/configure.ac	2017-02-19 21:44:15.033366000 +0100
+++ npapi-vlc/configure.ac	2017-02-19 23:35:06.944545510 +0100
@@ -266,7 +266,7 @@
   ])
   AS_IF([ test "x$with_gtk" != "xno" ],
     [
-       PKG_CHECK_MODULES(GTK, [gtk+-2.0], [gtk_found=yes])
+       PKG_CHECK_MODULES(GTK, [gtk+-3.0], [gtk_found=yes])
     ])
 ])
 AS_IF([ test "x$gtk_found" = "xyes" ],
diff -Naur npapi-vlc.orig/npapi/Makefile.am npapi-vlc/npapi/Makefile.am
--- npapi-vlc.orig/npapi/Makefile.am	2017-02-19 21:44:15.033366000 +0100
+++ npapi-vlc/npapi/Makefile.am	2017-02-19 23:34:52.350909959 +0100
@@ -11,7 +11,7 @@
 	npapi-sdk/npruntime.h \
 	npapi-sdk/nptypes.h
 
-npvlcdir = $(libdir)/mozilla/plugins
+npvlcdir = $(libdir)/epiphany/plugins
 
 AM_CPPFLAGS = $(LIBVLC_CFLAGS) -Inpapi-sdk $(MOZILLA_CFLAGS) -I$(top_srcdir)/vlcpp
 
diff -Naur npapi-vlc.orig/npapi/vlcplugin_gtk.cpp npapi-vlc/npapi/vlcplugin_gtk.cpp
--- npapi-vlc.orig/npapi/vlcplugin_gtk.cpp	2017-02-19 21:44:15.040033000 +0100
+++ npapi-vlc/npapi/vlcplugin_gtk.cpp	2017-02-19 23:35:05.074506668 +0100
@@ -32,8 +32,8 @@
 
 static uint32_t get_xid(GtkWidget *widget)
 {
-    GdkDrawable *video_drawable = gtk_widget_get_window(widget);
-    return (uint32_t)gdk_x11_drawable_get_xid(video_drawable);
+    GdkWindow *video_drawable = gtk_widget_get_window(widget);
+    return (uint32_t)gdk_x11_window_get_xid(video_drawable);
 }
 
 VlcPluginGtk::VlcPluginGtk(NPP instance, NPuint16_t mode) :
diff -Naur npapi-vlc.orig/npapi/vlcplugin_gtk.h npapi-vlc/npapi/vlcplugin_gtk.h
--- npapi-vlc.orig/npapi/vlcplugin_gtk.h	2017-02-19 21:44:15.040033000 +0100
+++ npapi-vlc/npapi/vlcplugin_gtk.h	2017-02-19 23:35:03.274469313 +0100
@@ -27,6 +27,7 @@
 #include "vlcplugin_base.h"
 
 #include <gtk/gtk.h>
+#include <gtk/gtkx.h>
 #include <mutex>
 #include <X11/Xlib.h>