diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 061c930ff83..4fd1a1991b5 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -371,7 +371,7 @@ let
     BitSeq = [ pkgs.zlib.dev ];
     DiffBind = [ pkgs.zlib ];
     ShortRead = [ pkgs.zlib.dev ];
-    oligo = [ pkgs.zlib ];
+    oligo = [ pkgs.zlib.dev ];
     gmapR = [ pkgs.zlib ];
     Rsubread = [ pkgs.zlib ];
     XVector = [ pkgs.zlib.dev ];