diff --git a/Tools/WAD/Wad/elf.c b/Tools/WAD/Wad/elf.c
index a69c62ed3..81b8e32c5 100644
--- a/Tools/WAD/Wad/elf.c
+++ b/Tools/WAD/Wad/elf.c
@@ -12,7 +12,13 @@
  * ----------------------------------------------------------------------------- */
 
 #include "wad.h"
+#ifdef WAD_SOLARIS
 #include <sys/elf.h>
+#endif
+#ifdef WAD_LINUX
+#include <elf.h>
+#endif
+
 
 /* --- What's needed here (high level interface) :