diff -ur mysql-connector-odbc-5.1.4r1107/driver/results.c mysql-connector-odbc-5.1.4r1107-bool-fix/driver/results.c
--- mysql-connector-odbc-5.1.4r1107/driver/results.c	2008-04-15 02:03:35.000000000 +0100
+++ mysql-connector-odbc-5.1.4r1107-bool-fix/driver/results.c	2008-05-03 10:03:55.000000000 +0100
@@ -193,7 +193,7 @@
     case SQL_C_BIT:
       if (rgbValue)
       {
-        if (value[0] == 1 || !atoi(value))
+        if (value[0] == 1 || atoi(value))
           *((char *)rgbValue)= 1;
         else
           *((char *)rgbValue)= 0;