diff --git a/ext/interbase/php_ibase_includes.h b/ext/interbase/php_ibase_includes.h
index b8f82d77482..bde6ccee935 100755
--- a/ext/interbase/php_ibase_includes.h
+++ b/ext/interbase/php_ibase_includes.h
@@ -30,7 +30,7 @@
 #endif
 
 #ifndef METADATALENGTH
-#define METADATALENGTH 32
+#define METADATALENGTH 68
 #endif
 
 #define RESET_ERRMSG do { IBG(errmsg)[0] = '\0'; IBG(sql_code) = 0; } while (0)