diff --git a/pkgs/development/libraries/gmp/6.x.nix b/pkgs/development/libraries/gmp/6.x.nix
index ce78f323088..f320c303123 100644
--- a/pkgs/development/libraries/gmp/6.x.nix
+++ b/pkgs/development/libraries/gmp/6.x.nix
@@ -1,4 +1,5 @@
-{ stdenv, fetchurl, m4, cxx ? !stdenv.hostPlatform.useAndroidPrebuilt
+{ stdenv, fetchurl, m4
+, cxx ? !stdenv.hostPlatform.useAndroidPrebuilt && !stdenv.hostPlatform.isWasm
 , buildPackages
 , withStatic ? false }: