diff --git a/src/Faker/ORM/Propel/ColumnTypeGuesser.php b/src/Faker/ORM/Propel/ColumnTypeGuesser.php
index e08c0fdc..20eab22a 100644
--- a/src/Faker/ORM/Propel/ColumnTypeGuesser.php
+++ b/src/Faker/ORM/Propel/ColumnTypeGuesser.php
@@ -35,18 +35,18 @@ class ColumnTypeGuesser
 
                 return function() use ($generator, $size) { return $generator->randomNumber($size + 2) / 100; };
             case PropelColumnTypes::TINYINT:
-                return function() { return mt_rand(0,255); };
+                return function() { return mt_rand(0,127); };
             case PropelColumnTypes::SMALLINT:
-                return function() { return mt_rand(0,65535); };
+                return function() { return mt_rand(0,32767); };
             case PropelColumnTypes::INTEGER:
-                return function() { return mt_rand(0,intval('4294967295')); };
+                return function() { return mt_rand(0,intval('2147483647')); };
             case PropelColumnTypes::BIGINT:
-                return function() { return mt_rand(0,intval('18446744073709551615')); };
+                return function() { return mt_rand(0,intval('9223372036854775807')); };
             case PropelColumnTypes::FLOAT:
-                return function() { return mt_rand(0,intval('4294967295'))/mt_rand(1,intval('4294967295')); };
+                return function() { return mt_rand(0,intval('2147483647'))/mt_rand(1,intval('2147483647')); };
             case PropelColumnTypes::DOUBLE:
             case PropelColumnTypes::REAL:
-                return function() { return mt_rand(0,intval('18446744073709551615'))/mt_rand(1,intval('18446744073709551615')); };
+                return function() { return mt_rand(0,intval('9223372036854775807'))/mt_rand(1,intval('9223372036854775807')); };
             case PropelColumnTypes::CHAR:
             case PropelColumnTypes::VARCHAR:
             case PropelColumnTypes::BINARY: