diff --git a/pkgs/tools/security/muscleframework/default.nix b/pkgs/tools/security/muscleframework/default.nix
index e2a87119dd9a..97b0617d3969 100644
--- a/pkgs/tools/security/muscleframework/default.nix
+++ b/pkgs/tools/security/muscleframework/default.nix
@@ -25,6 +25,7 @@ stdenv.mkDerivation {
     homepage = http://muscleplugins.alioth.debian.org/;
     license = "BSD";
     maintainers = with stdenv.lib.maintainers; [viric];
-    platforms = with stdenv.lib.platforms; linux;
+    # XXX: don't build before libmusclecard is fixed
+    # platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/tools/security/muscletool/default.nix b/pkgs/tools/security/muscletool/default.nix
index ac9ccc592054..cc369835f25c 100644
--- a/pkgs/tools/security/muscletool/default.nix
+++ b/pkgs/tools/security/muscletool/default.nix
@@ -14,6 +14,7 @@ stdenv.mkDerivation {
     homepage = http://muscleapps.alioth.debian.org/;
     license = "BSD"; # http://anonscm.debian.org/viewvc/muscleapps/trunk/muscleTool/COPYING?view=markup
     maintainers = with stdenv.lib.maintainers; [viric];
-    platforms = with stdenv.lib.platforms; linux;
+    # XXX: don't build before libmusclecard is fixed
+    # platforms = with stdenv.lib.platforms; linux;
   };
 }