diff --git a/dune/solvers/test/Makefile.am b/dune/solvers/test/Makefile.am
index 3b8b4eaf102fdb6a56e073b87875f545e1477788..655f0be1621684c018f19f52683051aca10b7006 100644
--- a/dune/solvers/test/Makefile.am
+++ b/dune/solvers/test/Makefile.am
@@ -37,8 +37,8 @@ sumoperatortest_LDADD = $(COMMON_LDADD) $(GRID_LDADD)
 sumoperatortest_LDFLAGS = $(COMMON_LDFLAGS) $(GRID_LDFLAGS)
 
 obstacletnnmgtest_SOURCES = obstacletnnmgtest.cc
-obstacletnnmgtest_CPPFLAGS = $(COMMON_CPPFLAGS) $(GRID_CPPFLAGS)
-obstacletnnmgtest_LDADD = $(COMMON_LDADD) $(GRID_LDADD)
-obstacletnnmgtest_LDFLAGS = $(COMMON_LDFLAGS) $(GRID_LDFLAGS)
+obstacletnnmgtest_CPPFLAGS = $(COMMON_CPPFLAGS) $(GRID_CPPFLAGS) #${IPOPT_CPPFLAGS}
+obstacletnnmgtest_LDADD = $(COMMON_LDADD) $(GRID_LDADD) #${IPOPT_LIBS}
+obstacletnnmgtest_LDFLAGS = $(COMMON_LDFLAGS) $(GRID_LDFLAGS) #${IPOPT_LDFLAGS}
 
 include $(top_srcdir)/am/global-rules