diff --git a/src/modules/system/System.cpp b/src/modules/system/System.cpp
index 0aacda0b7..397cfbb41 100755
--- a/src/modules/system/System.cpp
+++ b/src/modules/system/System.cpp
@@ -27,6 +27,7 @@
 #elif defined(LOVE_LINUX)
 #include <stdlib.h>
 #include <unistd.h>
+#include <sys/wait.h>
 #elif defined(LOVE_WINDOWS)
 #include "common/utf8.h"
 #include <shlobj.h>