diff --git a/src/interfaces/odbc/isql.h b/src/interfaces/odbc/isql.h
index 8c0203a5ea3602447882735677637e38f77b5448..deeddd3db04242300ff64c5d8722990418e1ab6b 100644
--- a/src/interfaces/odbc/isql.h
+++ b/src/interfaces/odbc/isql.h
@@ -24,9 +24,7 @@ typedef signed short		RETCODE;
 #   define SQL_API			EXPORT CALLBACK
 # endif
 
-#ifndef ODBCVER
-# define ODBCVER			0x0200
-#endif
+# define ODBCVER			0x0250
 
 # define SQL_MAX_MESSAGE_LENGTH		512
 # define SQL_MAX_DSN_LENGTH		32
diff --git a/src/interfaces/odbc/psqlodbc.h b/src/interfaces/odbc/psqlodbc.h
index f565f5d877a177f044de81481443788e0da7b0ff..aabded2a1c1e9a40f769fa17ca632b632cb46948 100644
--- a/src/interfaces/odbc/psqlodbc.h
+++ b/src/interfaces/odbc/psqlodbc.h
@@ -34,9 +34,7 @@ typedef double SDOUBLE;
 typedef UInt4 Oid;
 
 /* Driver stuff */
-#ifndef ODBCVER
 #define ODBCVER				0x0250
-#endif
 #define DRIVER_ODBC_VER		"02.50"
 
 #define DRIVERNAME             "PostgreSQL ODBC"