diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 2ef3fbdd0763..093bc2f78848 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -340,7 +340,7 @@ let
     rzmq = [ pkgs.zeromq3 ];
     SAVE = [ pkgs.zlib pkgs.bzip2 pkgs.icu pkgs.lzma pkgs.pcre ];
     sdcTable = [ pkgs.gmp pkgs.glpk ];
-    seewave = [ pkgs.fftw pkgs.libsndfile ];
+    seewave = [ pkgs.fftw.dev pkgs.libsndfile.dev ];
     seqinr = [ pkgs.zlib ];
     seqminer = [ pkgs.zlib pkgs.bzip2 ];
     showtext = [ pkgs.zlib pkgs.libpng pkgs.icu pkgs.freetype ];