diff --git a/states/haproxy/scripts/compile.lua b/states/haproxy/scripts/compile.lua
index 87d63b4..e08fc87 100644
--- a/states/haproxy/scripts/compile.lua
+++ b/states/haproxy/scripts/compile.lua
@@ -9,17 +9,16 @@ local group = "haproxy"
 local libs = {"-ljansson", "-lmaxminddb", "-lcurl"}
 
 function compile.check(module)
-  local sourcepath = modpath.."/"..module..".c"
-  local binpath = modpath.."/"..module..".so"
+  local sourcepath = string.format("%s/%s.c", modpath, module)
+  local binpath = string.format("%s/%s.so", modpath, module)
 
   local binexists = io.open(binpath)
 
   if not binexists or (binexists and lfs.attributes(sourcepath).change > lfs.attributes(binpath).change ) then
-    local cmd = "cc -I/usr/include/ -I/usr/include/lua" .. lua_version .. "/ -fPIC -shared -o " .. binpath .. " " .. sourcepath .. " " ..table.concat(libs," ")
+    local cmd = string.format("cc -I/usr/include/ -I/usr/include/lua%s/ -fPIC -shared -o %s %s %s", lua_version, binpath, sourcepath, table.concat(libs," "))
     local res = io.popen(cmd)
-    local aa = res:read("a*")
-    io.popen("chown "..user..":"..group.." "..binpath)
-    io.popen("chmod 600 "..binpath)
+    io.popen("chown %s:%s %s", user, group, binpath)
+    io.popen(string.format("chmod 600 %s",binpath))
   end
 end
 
diff --git a/states/haproxy/scripts/state.lua b/states/haproxy/scripts/state.lua
index ecd0896..b028a43 100644
--- a/states/haproxy/scripts/state.lua
+++ b/states/haproxy/scripts/state.lua
@@ -29,7 +29,7 @@ function create_state()
     lastconns = core.get_info()["CumConns"]
 
     if try == 10 then
-      local msg = "Worker with pid ".. core.get_info()["Pid"] .. " exited for create_state task"
+      local msg = string.format("Worker with pid %s exited for create_state task",core.get_info()["Pid"])
       print(msg)
       core.done(msg)
     end
diff --git a/states/haproxy/scripts/weight.lua b/states/haproxy/scripts/weight.lua
index 834e53d..6be1528 100644
--- a/states/haproxy/scripts/weight.lua
+++ b/states/haproxy/scripts/weight.lua
@@ -58,7 +58,7 @@ function arrange_backends()
     lastconns = core.get_info()["CumConns"]
 
     if try == 10 then
-      local msg = "Worker with pid ".. core.get_info()["Pid"] .. " exited for arrange_backends task"
+      local msg = string.format("Worker with pid %s exited for arrange_backends task", core.get_info()["Pid"])
       print(msg)
       core.done(msg)
     end