diff --git a/post-receive-script b/post-receive-script
index db8495a..59e4ef5 100755
--- a/post-receive-script
+++ b/post-receive-script
@@ -38,7 +38,6 @@ if File.exists?(app_dir)
   system("rm config/production.yml")
   system("git --git-dir=.git checkout -- config/production.yml")
   system("git --git-dir=.git pull")
-  system("echo production > RACK_ENV")
 
   # Integrate new config data and rewrite file
   YAML.write_defaults_to_file("/home/git/apps/#{domain}/config/production.yml", cilantro_config)
@@ -49,11 +48,12 @@ else
   system("mkdir log")
   system("chmod 777 log")
   YAML.write_defaults_to_file("/home/git/apps/#{domain}/config/production.yml", YAML.load_file("/home/git/defaults/production.yml"))
-  system("echo production > RACK_ENV")
 end
+system("echo production > RACK_ENV")
+
 ENV['GIT_DIR'] = "/home/git/repositories/#{domain}.git"
 if latest_commit
-  commits_included_gems = !!(`git whatchanged #{latest_commit ? latest_commit+'..HEAD ' : ''}| grep -E "\\W+M\\W+.gems"`.chomp =~ /\.gems/)
+  commits_included_gems = !!(`git whatchanged #{latest_commit ? latest_commit+'..HEAD ' : ''}| grep -E "\\W+(?:M|A)\\W+.gems"`.chomp =~ /\.gems/)
   commits_included_migration = !!(`git whatchanged #{latest_commit ? latest_commit+'..HEAD ' : ''}| grep -E "\\<A\\>\\W+\\<config/migrations"`.chomp =~ /config\/migrations\/.+\.rb/)
 else
   commits_included_gems = commits_included_migration = true