diff --git a/var/spack/repos/builtin/packages/dbow2/package.py b/var/spack/repos/builtin/packages/dbow2/package.py
index f57b7e8c124..0677c4ced5f 100644
--- a/var/spack/repos/builtin/packages/dbow2/package.py
+++ b/var/spack/repos/builtin/packages/dbow2/package.py
@@ -19,3 +19,4 @@ class Dbow2(CMakePackage):
     depends_on('opencv+calib3d+core+features2d+highgui+imgproc')
     depends_on('boost')
     depends_on('dlib')
+    depends_on('eigen', type='link')