diff --git a/eigen3.spec b/eigen3.spec
index 5914951..ec9403e 100644
--- a/eigen3.spec
+++ b/eigen3.spec
@@ -86,10 +86,11 @@ excluded_tests="dynalloc|nomalloc_2|packetmath_3|redux_6|visitor_6|array_6|array
 
 %ifarch x86_64
 # The following tests FAILED:
+#	608 - mpreal_support
 #   631 - gmres_2 (Failed)
 #   632 - minres_1 (Failed)
 #   647 - bdcsvd_2 (Failed)
-excluded_tests="gmres_2|minres_1|bdcsvd_2"
+excluded_tests="mpreal_support|gmres_2|minres_1|bdcsvd_2"
 %endif
 
 %ifarch %{ix86}