diff --git a/devops-service/commands/knife_commands.rb b/devops-service/commands/knife_commands.rb
index 00ca6c6..ccaa811 100644
--- a/devops-service/commands/knife_commands.rb
+++ b/devops-service/commands/knife_commands.rb
@@ -73,7 +73,7 @@ EOH
   end
 
   def knife cmd
-    o = `knife #{cmd} -c #{self.config} 2>&1`
+    o = `bundle exec knife #{cmd} -c #{self.config} 2>&1`
     return o, $?.success?
   end
 
@@ -82,7 +82,7 @@ EOH
   end
 
   def ssh_stream out, cmd, host, user, cert
-    knife_cmd = "knife ssh -c #{self.config} #{ssh_options(cmd, host, user, cert).join(" ")}"
+    knife_cmd = "bundle exec knife ssh -c #{self.config} #{ssh_options(cmd, host, user, cert).join(" ")}"
     out << "\nExecuting '#{knife_cmd}' \n\n"
     out.flush if out.respond_to?(:flush)
     status = 2
@@ -103,7 +103,7 @@ EOH
   end
 
   def knife_stream out, cmd, options=[]
-    knife_cmd = "knife #{cmd} #{options.join(" ")} -c #{self.config}"
+    knife_cmd = "bundle exec knife #{cmd} #{options.join(" ")} -c #{self.config}"
     out << "\nExecuting '#{knife_cmd}' \n\n"
     out.flush if out.respond_to?(:flush)
     status = nil