diff --git a/tests/Makefile b/tests/Makefile
index df8e903d34b3bea7996fa49c6fae5a4f94cbbe4e..920c2c23aa516c80b02ab84a2806efd72360a25b 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -50,7 +50,7 @@ test_MatchATA \
 test_CoarsenGraph test_RunMLGraphPart \
 test_SparseMatrixToCRS_CCS test_DetectConnectedComponents \
 test_Heap test_TwoColorTree test_SubsetSum test_ZeroVolumeSearch \
-test_FreeNonzeros
+test_FreeNonzeros testHelper_DisconnectedMatrix
 
 .SECONDARY: ${TESTTARGETS:%=%.o}