diff --git a/test/unittests/jumpdest_analysis_test.cpp b/test/unittests/jumpdest_analysis_test.cpp
index f9d1f8187..4ea13e552 100644
--- a/test/unittests/jumpdest_analysis_test.cpp
+++ b/test/unittests/jumpdest_analysis_test.cpp
@@ -8,6 +8,7 @@
 
 using namespace evmone;
 using namespace evmone::experimental;
+using namespace evmone::test;
 
 namespace
 {
diff --git a/test/unittests/opcode_manip_test.cpp b/test/unittests/opcode_manip_test.cpp
index f5e6da28b..941ce5e36 100644
--- a/test/unittests/opcode_manip_test.cpp
+++ b/test/unittests/opcode_manip_test.cpp
@@ -7,6 +7,7 @@
 #include <gtest/gtest.h>
 
 using namespace evmone::experimental;
+using namespace evmone::test;
 
 TEST(opcode_manip, find_first_push)
 {