diff --git a/CMakeLists.txt b/CMakeLists.txt
index ad2baa823..729007a87 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -403,8 +403,10 @@ else()
 endif()
 if(GTSAM_USE_EIGEN_MKL_OPENMP)
 	message(STATUS "  Eigen will use MKL and OpenMP  : Yes")
-elseif(OPENMP_FOUND AND NOT GTSAM_USE_EIGEN_MKL)
+elseif(OPENMP_FOUND AND NOT GTSAM_WITH_EIGEN_MKL)
 	message(STATUS "  Eigen will use MKL and OpenMP  : OpenMP found but GTSAM_WITH_EIGEN_MKL is disabled")
+elseif(OPENMP_FOUND AND NOT MKL_FOUND)
+	message(STATUS "  Eigen will use MKL and OpenMP  : OpenMP found but MKL not found")
 elseif(OPENMP_FOUND)
 	message(STATUS "  Eigen will use MKL and OpenMP  : OpenMP found but GTSAM_WITH_EIGEN_MKL_OPENMP is disabled")
 else()