diff --git a/pkgs/servers/sql/postgresql/timescaledb/default.nix b/pkgs/servers/sql/postgresql/timescaledb/default.nix
index 8e646eb72718..5810ae868918 100644
--- a/pkgs/servers/sql/postgresql/timescaledb/default.nix
+++ b/pkgs/servers/sql/postgresql/timescaledb/default.nix
@@ -15,9 +15,9 @@ stdenv.mkDerivation rec {
 
   installPhase = ''
     mkdir -p $out/bin
-    install -D timescaledb.so                  -t $out/lib
-    install -D timescaledb.control             -t $out/share/extension
-    install -D sql/timescaledb--${version}.sql -t $out/share/extension
+    install -D timescaledb.so      -t $out/lib
+    install -D timescaledb.control -t $out/share/extension
+    cp -dpR    sql/*                  $out/share/extension/
   '';
 
   meta = with stdenv.lib; {