diff --git a/pkgs/development/libraries/physics/rivet/default.nix b/pkgs/development/libraries/physics/rivet/default.nix
index ce905bff17c..7cacab9bdf4 100644
--- a/pkgs/development/libraries/physics/rivet/default.nix
+++ b/pkgs/development/libraries/physics/rivet/default.nix
@@ -22,6 +22,7 @@ stdenv.mkDerivation rec {
     mathastext
     pgf
     relsize
+    sansmath
     sfmath
     siunitx
     xcolor