diff --git a/pkgs/tools/networking/reaver-wps/default.nix b/pkgs/tools/networking/reaver-wps/default.nix
index 37215c37b93d..9e240b98138a 100644
--- a/pkgs/tools/networking/reaver-wps/default.nix
+++ b/pkgs/tools/networking/reaver-wps/default.nix
@@ -13,6 +13,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ makeWrapper ];
   buildInputs = [ libpcap sqlite ];
 
+  # Workaround build failure on -fno-common toolchains:
+  #   ld: crypto/dh_groups.o:src/crypto/../globule.h:141: multiple definition of
+  #     `globule'; /build/ccrzO6vA.o:src/globule.h:141: first defined here
+  NIX_CFLAGS_COMPILE = "-fcommon";
 
   setSourceRoot = ''
     sourceRoot=$(echo */src)