diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index f6811b137173..8596ab6de88f 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -14,8 +14,8 @@
 , enableGtk3      ? false, gtk3
 , enableFfmpeg    ? false, ffmpeg
 , enableGStreamer ? false, gst_all_1
-, enableEigen     ? false, eigen
-, enableOpenblas  ? false, openblas
+, enableEigen     ? true, eigen
+, enableOpenblas  ? true, openblas
 , enableCuda      ? false, cudatoolkit, gcc5
 , enableTesseract ? false, tesseract, leptonica
 , AVFoundation, Cocoa, QTKit
diff --git a/pkgs/development/libraries/opencv/default.nix b/pkgs/development/libraries/opencv/default.nix
index d7824dbed340..aadd108620aa 100644
--- a/pkgs/development/libraries/opencv/default.nix
+++ b/pkgs/development/libraries/opencv/default.nix
@@ -9,7 +9,7 @@
 , enableJPEG2K ? true, jasper
 , enableFfmpeg ? false, ffmpeg
 , enableGStreamer ? false, gst_all
-, enableEigen ? false, eigen
+, enableEigen ? true, eigen
 , darwin
 }: