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--- a/ForgeGit/forgegit/git_main.py
+++ b/ForgeGit/forgegit/git_main.py
@@ -11,7 +11,7 @@
 
 # Non-stdlib imports
 import pkg_resources
-from tg import expose, validate, redirect, response, url
+from tg import expose, validate, redirect, response, url, flash
 from tg.decorators import with_trailing_slash, without_trailing_slash
 import pylons
 from pylons import g, c, request
@@ -187,11 +187,15 @@
                             in_use=in_use,
                             to_name=to_name or '')
             else:
-                to_project.install_app(
-                    'Git', to_name,
-                    cloned_from_project_id=from_project._id,
-                    cloned_from_repo_id=from_repo._id)
-                redirect('/'+to_project_name+'/'+to_name+'/')
+                try:
+                    to_project.install_app(
+                        'Git', to_name,
+                        cloned_from_project_id=from_project._id,
+                        cloned_from_repo_id=from_repo._id)
+                    redirect('/'+to_project_name+'/'+to_name+'/')
+                except Exception, ex:
+                    flash(str(ex), 'error')
+                    redirect(request.referer)
 
 class Refs(object):