diff --git a/src/core/piincludes_p.h b/src/core/piincludes_p.h
index 11e710ae..7f2dfe8e 100644
--- a/src/core/piincludes_p.h
+++ b/src/core/piincludes_p.h
@@ -30,8 +30,9 @@ typedef void(*PINtSetTimerResolution)(ULONG, BOOLEAN, PULONG);
 #  include <unistd.h>
 #endif
 #include <string>
-#include <iostream>
+#include <string.h>
 #include <stdlib.h>
+#include <iostream>
 
 
 #endif // PIINCLUDES_P_H