diff --git a/tests/pthread_test.cpp b/tests/pthread_test.cpp
index 1c57264..9c6b975 100644
--- a/tests/pthread_test.cpp
+++ b/tests/pthread_test.cpp
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <sys/mman.h>
 #include <sys/prctl.h>
+#include <sys/resource.h>
 #include <sys/syscall.h>
 #include <time.h>
 #include <unistd.h>