diff --git a/test/testsuite/ouroboros/test.cfg b/test/testsuite/ouroboros/test.cfg
index 51b5cb0e2545a1a38c0a73c7f41b82a16f77cf7c..88926b3bb71dce6d306954665a98c5466cce4f6b 100644
--- a/test/testsuite/ouroboros/test.cfg
+++ b/test/testsuite/ouroboros/test.cfg
@@ -6,7 +6,7 @@ maple = python3 ${MAPLE_ROOT}/test/testsuite/maple.py
 
 run = python3 ${MAPLE_ROOT}/test/testsuite/run.py
 
-build_option = --dex2mpl="-mplt ${MAPLE_BUILD_OUTPUT}/libjava-core/libcore-all.mplt -litprofile=${MAPLE_ROOT}/src/mrt/codetricks/profile.pv/meta.list" --maple="-O0" --ld=" -L${MAPLE_BUILD_OUTPUT}/ops/host-x86_64-O2" --cxx="-I${MAPLE_BUILD_OUTPUT}/ops/libnativehelper/include_jni"
+build_option = --dex2mpl="-mplt ${MAPLE_BUILD_OUTPUT}/libjava-core/libcore-all.mplt -litprofile=${MAPLE_ROOT}/src/mrt/codetricks/profile.pv/meta.list" --maple="-O2" --ld=" -L${MAPLE_BUILD_OUTPUT}/ops/host-x86_64-O2" --cxx="-I${MAPLE_BUILD_OUTPUT}/ops/libnativehelper/include_jni"
 
 run_option =