diff --git a/lib/buildsystems/autotools.rb b/lib/buildsystems/autotools.rb
index b6e263bfd..ce46159b5 100644
--- a/lib/buildsystems/autotools.rb
+++ b/lib/buildsystems/autotools.rb
@@ -19,7 +19,7 @@ class Autotools < Package
       end
       abort 'configure script not found!'.lightred unless File.file?('configure')
       FileUtils.chmod('+x', 'configure')
-      if system('grep -q /usr/bin/file configure')
+      if Kernel.system('grep -q /usr/bin/file configure')
         puts 'Using filefix.'.orange
         system 'filefix'
       end
diff --git a/lib/const.rb b/lib/const.rb
index 82a1d3a5f..2fbe5bfd7 100644
--- a/lib/const.rb
+++ b/lib/const.rb
@@ -2,7 +2,7 @@
 # Defines common constants used in different parts of crew
 require 'etc'
 
-CREW_VERSION = '1.49.1'
+CREW_VERSION = '1.49.2'
 
 # kernel architecture
 KERN_ARCH = Etc.uname[:machine]