1 files changed, 3 insertions, 0 deletions
diff --git a/scummsys.h b/scummsys.h
index c095c7295c..ea2b56309b 100644
--- a/scummsys.h
+++ b/scummsys.h
@@ -18,6 +18,8 @@
  * $Header$
  *
  */
+#ifndef __SCUMMSYS_H_
+#define __SCUMMSYS_H_
 
 #if defined(HAVE_NO_BOOL)
 typedef int bool;
@@ -385,3 +387,4 @@ char *strdup(const char *s);
 /* Initialized operator new */
 void * operator new(size_t size);
 
+#endif
+\ No newline at end of file