diff --git a/pkgs/applications/version-management/git-and-tools/default.nix b/pkgs/applications/version-management/git-and-tools/default.nix
index 75c71f9cfdf7..b7bf00f07dd7 100644
--- a/pkgs/applications/version-management/git-and-tools/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/default.nix
@@ -49,7 +49,7 @@ rec {
       network pcreLight SHA stm utf8String networkInfo dbus clientsession cryptoApi dataDefault
       extensibleExceptions filepath hamlet httpTypes networkMulticast text time transformers
       transformersBase wai waiLogger warp yesod yesodDefault yesodStatic testpack QuickCheck
-      SafeSemaphore networkPprotocolXmpp async dns DAV uuid Glob;
+      SafeSemaphore networkProtocolXmpp async dns DAV uuid Glob;
   };
 
   qgit = import ./qgit {
diff --git a/pkgs/applications/version-management/git-and-tools/git-annex/default.nix b/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
index 7f11462aa02e..3d11b4841738 100644
--- a/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
@@ -8,7 +8,7 @@
 , networkMulticast, pcreLight, QuickCheck, SHA, stm, text, time
 , transformers, transformersBase, utf8String, wai, waiLogger, warp
 , yesod, yesodDefault, yesodStatic, testpack, SafeSemaphore
-, networkPprotocolXmpp, async, dns, DAV, uuid, Glob
+, networkProtocolXmpp, async, dns, DAV, uuid, Glob
 }:
 
 let
@@ -30,7 +30,7 @@ stdenv.mkDerivation {
     httpTypes IfElse json liftedBase MissingH monadControl mtl network
     networkInfo networkMulticast pcreLight QuickCheck SHA stm text time
     transformers transformersBase utf8String wai waiLogger warp yesod
-    yesodDefault yesodStatic testpack SafeSemaphore networkPprotocolXmpp
+    yesodDefault yesodStatic testpack SafeSemaphore networkProtocolXmpp
     async dns DAV uuid Glob ];
 
   checkTarget = "test";
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index ab60ca32ff0b..ff8fd6a24c77 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1295,7 +1295,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   networkMulticast = callPackage ../development/libraries/haskell/network-multicast {};
 
-  networkPprotocolXmpp = callPackage ../development/libraries/haskell/network-protocol-xmpp {};
+  networkProtocolXmpp = callPackage ../development/libraries/haskell/network-protocol-xmpp {};
 
   networkTransport = callPackage ../development/libraries/haskell/network-transport {};