diff --git a/bldit.lua b/bldit.lua
index 2e35065..2fd0960 100644
--- a/bldit.lua
+++ b/bldit.lua
@@ -3,8 +3,6 @@ package_version = "1.1.3"
 
 dependencies = {}
 
-exec_name = "ray"
-
 targets = {
   default = {
 	  build = function()
@@ -29,11 +27,11 @@ targets = {
       return 0
 	  end,
 	  install = function()
-      e,h,c = os.execute("make install")
+      e,h,c = os.execute("make install PREFIX="..prefix)
       return c or 0
 	  end,
 	  uninstall = function()
-      e,h,c = os.execute("make uninstall")
+      e,h,c = os.execute("make uninstall PREFIX="..prefix)
       return c or 0
 	  end,
   }