diff --git a/pkgs/development/libraries/soundtouch/default.nix b/pkgs/development/libraries/soundtouch/default.nix
index 14eb5a24056..729967ea1b7 100644
--- a/pkgs/development/libraries/soundtouch/default.nix
+++ b/pkgs/development/libraries/soundtouch/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ autoconf automake libtool ];
 
-  preConfigurePhases = "./bootstrap";
+  preConfigure = "./bootstrap";
 
   meta = {
       description = "A program and library for changing the tempo, pitch and playback rate of audio";
diff --git a/pkgs/development/libraries/zimlib/default.nix b/pkgs/development/libraries/zimlib/default.nix
index 24cbc818cdd..77a7989baab 100644
--- a/pkgs/development/libraries/zimlib/default.nix
+++ b/pkgs/development/libraries/zimlib/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   };
   buildInputs = [ automake autoconf libtool lzma ];
   setSourceRoot = "cd openzim-*/zimlib; export sourceRoot=`pwd`";
-  preConfigurePhases = [ "./autogen.sh" ];
+  preConfigure = "./autogen.sh";
 
   meta = {
     description = "Library for reading and writing ZIM files (file format for storing Web content offline)";