diff --git a/default.nix b/default.nix
index 98fd3af..5410216 100644
--- a/default.nix
+++ b/default.nix
@@ -22,8 +22,8 @@
   libXcursor,
   libXcomposite,
   libXaw,
-  libt,
-  libXtst,
+  libxt,
+  libxtst,
   libICE,
   libfontenc,
   libXcb,
@@ -189,8 +189,8 @@ stdenv.mkDerivation {
     libXcursor
     libXcomposite
     libXaw
-    libXt
-    libXtst
+    libxt
+    libxtst
     libICE
     libfontenc
     libXcb