diff --git a/unsupported/test/CMakeLists.txt b/unsupported/test/CMakeLists.txt
index bf0872218..a9b7ddb23 100644
--- a/unsupported/test/CMakeLists.txt
+++ b/unsupported/test/CMakeLists.txt
@@ -19,7 +19,7 @@ ei_add_test(NonLinear)
 ei_add_test(NumericalDiff)
 ei_add_test(autodiff)
 ei_add_test(BVH)
-#ei_add_test(matrixExponential)
+ei_add_test(matrixExponential)
 ei_add_test(alignedvector3)
 ei_add_test(FFT)