diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 35822fa78bd4..b09f76cee032 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -438,6 +438,7 @@ let
     nlme = [ pkgs.libiconv ];
     Matrix = [ pkgs.libiconv ];
     mgcv = [ pkgs.libiconv ];
+    igraph = [ pkgs.libiconv ];
   };
 
   packagesRequireingX = [