diff --git a/CHANGES b/CHANGES
index 0373597..ad68851 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+0.1.10 (2009-06-13)
+    - Fixed bug in aggregation (-A) mode, thanks to Sergey Gonchar. 
 
 0.1.9 (2009-03-27)
     - RIPE changed ASN32 notation to asplain. And RADB does not support
diff --git a/bgpq3.8 b/bgpq3.8
index c1f8de2..9c892c6 100644
--- a/bgpq3.8
+++ b/bgpq3.8
@@ -21,7 +21,7 @@
 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
-.\" "$Id: bgpq3.8,v 1.4 2008/12/25 17:17:05 snar Exp $
+.\" "$Id: bgpq3.8,v 1.5 2009/07/13 10:22:05 snar Exp $
 .\"
 .Dd Oct 27, 2008
 .Dt BGPQ3 8
@@ -45,7 +45,7 @@
 .Sh DESCRIPTION
 The
 .Nm 
-ultility used to generate Cisco and Juniper prefix-lists, extended
+utility used to generate Cisco and Juniper prefix-lists, extended
 access-lists, policy-statement terms and as-path lists based on RADB data.
 .Pp
 The options are as follows: 
@@ -213,7 +213,7 @@ ip as-path access-list NN permit ^112(_[0-9]+)*_(35052|41720|43628|44450)$
 AS196611 is no more in the list, however, AS23456 (transition AS)
 would be added to list if it were not present. 
 .Sh DIAGNOSTICS
-When everyting is ok, 
+When everything is OK, 
 .Nm
 generates access-list to standard output and exits with status == 0. 
 In case of errors they are printed to stderr and program exits with 
diff --git a/sx_prefix.c b/sx_prefix.c
index 3d3e6d1..7dc144c 100644
--- a/sx_prefix.c
+++ b/sx_prefix.c
@@ -524,7 +524,9 @@ sx_radix_node_aggregate(struct sx_radix_node* node)
 			if(node->r->son && node->l->son && 
 				node->r->son->isAggregate && node->l->son->isAggregate && 
 				node->r->son->aggregateHi==node->l->son->aggregateHi &&
-				node->r->son->aggregateLow==node->l->son->aggregateLow)
+				node->r->son->aggregateLow==node->l->son->aggregateLow &&
+				node->r->prefix.masklen==node->prefix.masklen+1 && 
+				node->l->prefix.masklen==node->prefix.masklen+1)
 			{ 
 				node->son=sx_radix_node_new(&node->prefix);
 				node->son->isGlue=0;