diff --git a/home/config.nix b/home/config.nix
index e3056e2..6fcb7a0 100644
--- a/home/config.nix
+++ b/home/config.nix
@@ -1,10 +1,16 @@
 let 
   lib = (import <nixpkgs> {}).lib;
+  pkgs = (import <nixpkgs> {}).pkgs;
 
 in
 {
 
   clementine.spotify = false;
   whitelistedLicenses = with lib.licenses; [ wtfpl ];
+  packageOverrides = pkgs: with pkgs; rec {
+    # build with debug symbols and in debug mode (less optimized)
+    opencvDebug = enableDebugging ((opencv3.override {enablePython=true; enableDocs=true; pythonPackages=pkgs.python3Packages; }).overrideAttrs (oldAttrs: rec {cmakeBuildType = "Debug";}));
+  };
+
 
 }
diff --git a/home/home.nix b/home/home.nix
index d1f7e46..1cfaf09 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -34,6 +34,12 @@ let
 	#corebird
 	gpx-viewer
 	gpxsee
+	(corebird.overrideAttrs (oldAttrs: {src = fetchFromGitHub {
+	    owner = "IBBoard";
+		repo = "corebird";
+		rev = "bc758889a5ac304101001c36eafdb219a0acfda7";
+		sha256 = "1yiflxvswrybabqq5cd6x9i740560c23p58gvcn9b6riwhxzrlb9";
+		};}))
 	];
 
   graphicsApps = [
@@ -186,8 +192,7 @@ let
 
   # TODO: make a nix-shell expression out of this
   computerVisionTooling = [
-  # build with debug symbols and in debug mode (less optimized)
-  (enableDebugging ((opencv3.override {enablePython=true; enableDocs=true; pythonPackages=pkgs.python3Packages; }).overrideAttrs (oldAttrs: rec {cmakeBuildType = "Debug";})))
+  opencvDebug
   ];
 
 in