diff --git a/pkgs/development/libraries/g2o/default.nix b/pkgs/development/libraries/g2o/default.nix
index d269d10aaf4..909c504870f 100644
--- a/pkgs/development/libraries/g2o/default.nix
+++ b/pkgs/development/libraries/g2o/default.nix
@@ -15,6 +15,8 @@ stdenv.mkDerivation rec {
   # Removes a reference to gcc that is only used in a debug message
   patches = [ ./remove-compiler-reference.patch ];
 
+  separateDebugInfo = true;
+
   nativeBuildInputs = [ cmake makeWrapper ];
   buildInputs = [ eigen suitesparse libGLU qt5.qtbase libsForQt5.libqglviewer ];