diff --git a/src/trace_processor/importers/syscalls/syscall_tracker_unittest.cc b/src/trace_processor/importers/syscalls/syscall_tracker_unittest.cc
index 17733eb..d18792b 100644
--- a/src/trace_processor/importers/syscalls/syscall_tracker_unittest.cc
+++ b/src/trace_processor/importers/syscalls/syscall_tracker_unittest.cc
@@ -24,6 +24,7 @@
 namespace {
 
 using ::testing::_;
+using ::testing::DoAll;
 using ::testing::Return;
 using ::testing::SaveArg;