diff --git a/src/ext2.cc b/src/ext2.cc
index 9b54010f..2b3bdd45 100644
--- a/src/ext2.cc
+++ b/src/ext2.cc
@@ -186,8 +186,8 @@ bool ext2::resize( const Partition & partition_new, OperationDetail & operationd
 	
 	if ( ! fill_partition )
 		str_temp += " " + Utils::num_to_str( Utils::round( Utils::sector_to_unit( 
-					partition_new .get_sector_length(), partition_new .sector_size, UNIT_KIB ) ) -1 ) + "K" ; 
-		
+					partition_new .get_sector_length(), partition_new .sector_size, UNIT_KIB ) ) ) + "K" ;
+
 	return ! execute_command( str_temp, operationdetail ) ;
 }
 
diff --git a/src/ntfs.cc b/src/ntfs.cc
index 3a160af5..d7ca9546 100644
--- a/src/ntfs.cc
+++ b/src/ntfs.cc
@@ -199,7 +199,7 @@ bool ntfs::resize( const Partition & partition_new, OperationDetail & operationd
 	{
 		str_temp += " -s " ;
 		str_temp += Utils::num_to_str( Utils::round( Utils::sector_to_unit(
-				partition_new .get_sector_length(), partition_new .sector_size, UNIT_BYTE ) ) -1 ) ;
+				partition_new .get_sector_length(), partition_new .sector_size, UNIT_BYTE ) ) ) ;
 	}
 	
 	//simulation..
diff --git a/src/reiserfs.cc b/src/reiserfs.cc
index 50a35baa..0c4eb27a 100644
--- a/src/reiserfs.cc
+++ b/src/reiserfs.cc
@@ -160,7 +160,7 @@ bool reiserfs::resize( const Partition & partition_new, OperationDetail & operat
 	if ( ! fill_partition )
 	{
 		size = " -s " + Utils::num_to_str( Utils::round( Utils::sector_to_unit(
-		                   partition_new .get_sector_length(), partition_new .sector_size, UNIT_BYTE ) ) -1 ) ;
+		                   partition_new .get_sector_length(), partition_new .sector_size, UNIT_BYTE ) ) ) ;
 	}
 	Glib::ustring cmd = "sh -c 'echo y | resize_reiserfs" + size + " " + partition_new .get_path() + "'" ;