diff --git a/default.nix b/default.nix
index e75b486aa..c805c44ac 100644
--- a/default.nix
+++ b/default.nix
@@ -52,9 +52,9 @@ let
 
   mapAttrs = nixpkgs.lib.attrsets.mapAttrs;
   crossPackages = mapAttrs (target: conf: nixpkgsFn { crossSystem = conf; }) targets;
-  crossBulds = mapAttrs (target: packages: nimbus packages) crossPackages;
+  crossBuilds = mapAttrs (target: packages: nimbus packages) crossPackages;
 
 in
 
-(nimbus nixpkgs) // crossBulds
+(nimbus nixpkgs) // crossBuilds
 
diff --git a/nix/nimbus.nix b/nix/nimbus.nix
index 2d22db76e..3d5af8447 100644
--- a/nix/nimbus.nix
+++ b/nix/nimbus.nix
@@ -1,4 +1,4 @@
-{ stdenv, callPackage, sqlite, clang, rocksdb }:
+{ stdenv, callPackage, sqlite, clang, pcre, rocksdb }:
 
 let
   nim = callPackage ./nim.nix {};
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   };
 
   src = ./.;
-  buildInputs = [clang nim rocksdb sqlite];
+  buildInputs = [clang nim rocksdb pcre sqlite];
   LD_LIBRARY_PATH = "${makeLibraryPath buildInputs}";
 }