diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index dbf81a4..45e768d 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -19,6 +19,7 @@
 #include <sys/capability.h>
 #include <sys/prctl.h>
 #include <sys/ptrace.h>
+#include <sys/syscall.h>
 #include <sys/types.h>
 #include <unistd.h>