diff --git a/databases/libodbc++/files/patch-isql++-isql++.h b/databases/libodbc++/files/patch-isql++-isql++.h
new file mode 100644
index 000000000000..4e7e8c450365
--- /dev/null
+++ b/databases/libodbc++/files/patch-isql++-isql++.h
@@ -0,0 +1,11 @@
+--- isql++/isql++.h.orig	2013-11-18 21:03:56.000000000 +0700
++++ isql++/isql++.h	2013-11-18 21:04:06.000000000 +0700
+@@ -115,7 +115,7 @@
+   string buffer_;
+ 
+   struct ltcasestr {
+-    bool operator()(const string& s1, const string& s2) {
++    bool operator()(const string& s1, const string& s2) const {
+       return strcasecmp(s1.c_str(),s2.c_str())<0;
+     }
+   };