diff --git a/Testing/SystemTests/scripts/InstallerTests.py b/Testing/SystemTests/scripts/InstallerTests.py
index d1300e464aa2c776eb44bd87d7aeeb57acf394e0..5822173ca4ca89d603f12b3b7c3e9d0af818cb0a 100644
--- a/Testing/SystemTests/scripts/InstallerTests.py
+++ b/Testing/SystemTests/scripts/InstallerTests.py
@@ -54,7 +54,7 @@ if options.doInstall:
     log("Installing package '%s'" % installer.mantidInstaller)
     try:
         installer.install()
-        log("Application path " + installer.mantidPlotPath)
+        log("Application path: %r" % installer.mantidPlotPath)
         installer.no_uninstall = False
     except Exception as err:
         scriptfailure("Installing failed. "+str(err))