diff --git a/omega-target-chromium-extension/src/options.coffee b/omega-target-chromium-extension/src/options.coffee
index 9650675..97cc81f 100644
--- a/omega-target-chromium-extension/src/options.coffee
+++ b/omega-target-chromium-extension/src/options.coffee
@@ -133,7 +133,7 @@ class ChromeOptions extends OmegaTarget.Options
           url: profile.pacUrl
           mandatory: true
         else
-          data: profile.pacScript
+          data: OmegaPac.PacGenerator.ascii(profile.pacScript)
           mandatory: true
     else if profile.profileType == 'FixedProfile'
       config = @_fixedProfileConfig(profile)