diff --git a/src/interfaces/ecpg/ecpglib/extern.h b/src/interfaces/ecpg/ecpglib/extern.h
index 7c69e98148de9f863c21a810e58fad8a5779d4cc..c9e230447f75a11ef89a063a91b77c4c9861f486 100644
--- a/src/interfaces/ecpg/ecpglib/extern.h
+++ b/src/interfaces/ecpg/ecpglib/extern.h
@@ -1,4 +1,4 @@
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/extern.h,v 1.25 2007/08/14 10:01:52 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/extern.h,v 1.26 2007/08/14 10:54:57 meskes Exp $ */
 
 #ifndef _ECPG_LIB_EXTERN_H
 #define _ECPG_LIB_EXTERN_H
@@ -7,6 +7,9 @@
 #include "libpq-fe.h"
 #include "sqlca.h"
 #include "ecpg_config.h"
+#ifndef CHAR_BIT
+#include <limits.h>
+#endif
 
 enum COMPAT_MODE
 {
diff --git a/src/interfaces/ecpg/preproc/extern.h b/src/interfaces/ecpg/preproc/extern.h
index 8357b2514f6adc5542c0856722ac35e92fbc5383..8b5b864611063d1db4aafa25b0e223db01396f72 100644
--- a/src/interfaces/ecpg/preproc/extern.h
+++ b/src/interfaces/ecpg/preproc/extern.h
@@ -1,4 +1,4 @@
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/extern.h,v 1.67 2007/08/14 10:01:53 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/extern.h,v 1.68 2007/08/14 10:54:57 meskes Exp $ */
 
 #ifndef _ECPG_PREPROC_EXTERN_H
 #define _ECPG_PREPROC_EXTERN_H
@@ -6,6 +6,9 @@
 #include "type.h"
 
 #include <errno.h>
+#ifndef CHAR_BIT
+#include <limits.h>
+#endif
 
 /* defines */