diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c5387d433a1e..d0b9330761c2 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8850,6 +8850,8 @@ let
       ${self.python.executable} runtests.py
     '';
 
+    __impureHostDeps = optionals stdenv.isDarwin [ "/usr/lib/libm.dylib" ];
+
     meta = {
       description = "A lightweight LLVM python binding for writing JIT compilers";
       homepage = "http://llvmlite.pydata.org/";