diff --git a/default.nix b/default.nix
index 7afbb90..457b4fb 100644
--- a/default.nix
+++ b/default.nix
@@ -23,7 +23,7 @@
   libXcomposite,
   libXaw,
   libXt,
-  libxtst,
+  libXtst,
   libICE,
   libfontenc,
   libxcb,
@@ -190,7 +190,7 @@ stdenv.mkDerivation {
     libXcomposite
     libXaw
     libXt
-    libxtst
+    libXtst
     libICE
     libfontenc
     libxcb