diff --git a/runtime/exec_utils.h b/runtime/exec_utils.h
index e011c82..7ce0a9c 100644
--- a/runtime/exec_utils.h
+++ b/runtime/exec_utils.h
@@ -17,6 +17,8 @@
 #ifndef ART_RUNTIME_EXEC_UTILS_H_
 #define ART_RUNTIME_EXEC_UTILS_H_
 
+#include <time.h>
+
 #include <string>
 #include <vector>