diff --git a/pkgs/os-specific/linux/kernel/linux-3.3.nix b/pkgs/os-specific/linux/kernel/linux-3.3.nix
index 395b93e9f3f..0db9a5c375d 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.3.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.3.nix
@@ -253,6 +253,7 @@ import ./generic.nix (
 
     features.iwlwifi = true;
     features.efiBootStub = true;
+    features.netfilterRPFilter = true;
   }
 
   // removeAttrs args ["extraConfig"]
diff --git a/pkgs/os-specific/linux/kernel/linux-3.4.nix b/pkgs/os-specific/linux/kernel/linux-3.4.nix
index e79bb111a3d..8ab68997e7f 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.4.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.4.nix
@@ -257,6 +257,7 @@ import ./generic.nix (
     features.iwlwifi = true;
     features.efiBootStub = true;
     features.needsCifsUtils = true;
+    features.netfilterRPFilter = true;
   }
 
   // removeAttrs args ["extraConfig"]
diff --git a/pkgs/os-specific/linux/kernel/linux-3.5.nix b/pkgs/os-specific/linux/kernel/linux-3.5.nix
index a5d375a68a7..42456a8bdd9 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.5.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.5.nix
@@ -258,6 +258,7 @@ import ./generic.nix (
     features.iwlwifi = true;
     features.efiBootStub = true;
     features.needsCifsUtils = true;
+    features.netfilterRPFilter = true;
   }
 
   // removeAttrs args ["extraConfig"]
diff --git a/pkgs/os-specific/linux/kernel/linux-3.6.nix b/pkgs/os-specific/linux/kernel/linux-3.6.nix
index 8afcffba87f..66ca30a839c 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.6.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.6.nix
@@ -262,6 +262,7 @@ import ./generic.nix (
     features.iwlwifi = true;
     features.efiBootStub = true;
     features.needsCifsUtils = true;
+    features.netfilterRPFilter = true;
   }
 
   // removeAttrs args ["extraConfig"]