diff --git a/About_CMTK.py b/About_CMTK.py
index 3347a25..53d06ee 100644
--- a/About_CMTK.py
+++ b/About_CMTK.py
@@ -12,4 +12,5 @@
 gd.setCancelLabel("CMTK Web Page")
 gd.showDialog()
 if gd.wasCanceled():
-	BrowserLauncher().run("http://www.nitrc.org/projects/cmtk/")
\ No newline at end of file
+	from ij import IJ
+	IJ.runPlugIn("ij.plugin.BrowserLauncher", "http://www.nitrc.org/projects/cmtk/")
diff --git a/About_CMTK_GUI.py b/About_CMTK_GUI.py
index f00f117..1e3afe8 100644
--- a/About_CMTK_GUI.py
+++ b/About_CMTK_GUI.py
@@ -11,4 +11,5 @@
 gd.setCancelLabel("CMTK GUI Web Page")
 gd.showDialog()
 if gd.wasCanceled():
-	BrowserLauncher().run("https://github.com/jefferis/fiji-cmtk-gui")
\ No newline at end of file
+	from ij import IJ
+	IJ.runPlugIn("ij.plugin.BrowserLauncher", "https://github.com/jefferis/fiji-cmtk-gui")