diff --git a/pkgs/development/libraries/tdb/default.nix b/pkgs/development/libraries/tdb/default.nix
index 03955a9ac710..b8e6552bc7b5 100644
--- a/pkgs/development/libraries/tdb/default.nix
+++ b/pkgs/development/libraries/tdb/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , pkg-config
 , wafHook
-, python
+, python3
 , readline
 , libxslt
 , docbook-xsl-nons
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
-    python
+    python3
     readline # required to build python
   ];