diff --git a/lib/wchar.in.h b/lib/wchar.in.h
index 74e5f24..e2e0b6c 100644
--- a/lib/wchar.in.h
+++ b/lib/wchar.in.h
@@ -39,6 +39,7 @@
 /* Normal invocation convention.  */
 
 #ifndef _GL_WCHAR_H
+#define _GL_WCHAR_H
 
 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
    <wchar.h>.
@@ -55,9 +56,6 @@
 # @INCLUDE_NEXT@ @NEXT_WCHAR_H@
 #endif
 
-#ifndef _GL_WCHAR_H
-#define _GL_WCHAR_H
-
 /* The definition of GL_LINK_WARNING is copied here.  */
 
 #ifdef __cplusplus
@@ -288,5 +286,4 @@ extern int wcwidth (int /* actually wchar_t */);
 #endif
 
 #endif /* _GL_WCHAR_H */
-#endif /* _GL_WCHAR_H */
 #endif