diff --git a/sniff/sniff b/sniff/sniff
index 86771f9..05f4c6a 100755
--- a/sniff/sniff
+++ b/sniff/sniff
@@ -45,23 +45,14 @@ class SniffApp(object):
         if os.path.exists('sniff.ui'):
             self.builder.add_from_file('sniff.ui')
         else:
-            import os
-            path = os.path.abspath(
-                os.path.join(__file__, os.path.pardir, os.path.pardir))
-            if path is '/': # in case the path is /bin/sniff
-                path = '/usr'
-            self.builder.add_from_file(path +
+            self.builder.add_from_file(@EPREFIX_USR@ +
                                        '/share/dogtail/glade/sniff.ui')
         self.app = self.builder.get_object(self.appName)
         try:
             self.app.set_icon_from_file('../icons/dogtail-head.svg')
         except Exception:
             import os
-            path = os.path.abspath(
-                os.path.join(__file__, os.path.pardir, os.path.pardir))
-            if path is '/':
-                path = '/usr'
-            self.app.set_icon_from_file(os.path.join(path,
+            self.app.set_icon_from_file(os.path.join(@EPREFIX_USR@,
                                                      'share/icons/hicolor/scalable/apps/dogtail-head.svg'))
         self.setUpWidgets()
         self.connectSignals()
@@ -666,11 +657,7 @@ def loadIcon(iconName):
         pixbuf = GdkPixbuf.Pixbuf.new_from_file('icons/' + iconName)
     except GObject.GError:
         import os
-        path = os.path.abspath(
-            os.path.join(__file__, os.path.pardir, os.path.pardir))
-        if path is '/':
-                path = '/usr'
-        iconName = os.path.join(path, 'share/dogtail/icons/', iconName)
+        iconName = os.path.join(@EPREFIX_USR@, 'share/dogtail/icons/', iconName)
         pixbuf = GdkPixbuf.Pixbuf.new_from_file(iconName)
     return pixbuf