Index: res/res_odbc.c
===================================================================
--- res/res_odbc.c	(revision 55434)
+++ res/res_odbc.c	(working copy)
@@ -96,7 +96,7 @@
 			if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO) && (res != SQL_NO_DATA)) {
 				if (res == SQL_ERROR) {
 					SQLGetDiagField(SQL_HANDLE_STMT, stmt, 1, SQL_DIAG_NUMBER, &numfields, SQL_IS_INTEGER, &diagbytes);
-					for (i=0; i< numfields + 1; i++) {
+					for (i = 0; i < numfields; i++) {
 						SQLGetDiagRec(SQL_HANDLE_STMT, stmt, i + 1, state, &nativeerror, diagnostic, sizeof(diagnostic), &diagbytes);
 						ast_log(LOG_WARNING, "SQL Execute returned an error %d: %s: %s (%d)\n", res, state, diagnostic, diagbytes);
 						if (i > 10) {