--- config.mk.orig
+++ config.mk
@@ -4,7 +4,7 @@
 # Customize below to fit your system
 
 # paths
-PREFIX = /usr/local
+PREFIX = @@MACPORTS_PREFIX@@
 MANPREFIX = $(PREFIX)/share/man
 LIBPREFIX = $(PREFIX)/lib
 LIBDIR = $(LIBPREFIX)/surf
@@ -12,10 +12,10 @@
 X11INC = `pkg-config --cflags x11`
 X11LIB = `pkg-config --libs x11`
 
-GTKINC = `pkg-config --cflags gtk+-3.0 gcr-3 webkit2gtk-4.0`
-GTKLIB = `pkg-config --libs gtk+-3.0 gcr-3 webkit2gtk-4.0`
-WEBEXTINC = `pkg-config --cflags webkit2gtk-4.0 webkit2gtk-web-extension-4.0 gio-2.0`
-WEBEXTLIBS = `pkg-config --libs webkit2gtk-4.0 webkit2gtk-web-extension-4.0 gio-2.0`
+GTKINC = `pkg-config --cflags gtk+-3.0 gcr-3 webkit2gtk-4.1`
+GTKLIB = `pkg-config --libs gtk+-3.0 gcr-3 webkit2gtk-4.1`
+WEBEXTINC = `pkg-config --cflags webkit2gtk-4.1 webkit2gtk-web-extension-4.1 gio-2.0`
+WEBEXTLIBS = `pkg-config --libs webkit2gtk-4.1 webkit2gtk-web-extension-4.1 gio-2.0`
 
 # includes and libs
 INCS = $(X11INC) $(GTKINC)