diff --git a/Project.toml b/Project.toml
index d8ba051..beb4170 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "XAM"
 uuid = "d759349c-bcba-11e9-07c2-5b90f8f05f7c"
 authors = ["Kenta Sato <bicycle1885@gmail.com>", "Ben J. Ward <ward9250@gmail.com>", "Ciarán O'Mara <Ciaran.OMara@utas.edu.au>"]
-version = "0.2.5"
+version = "0.2.6"
 
 [deps]
 Automa = "67c07d97-cdcb-5c2c-af73-a7f9c32a568b"
diff --git a/src/bam/record.jl b/src/bam/record.jl
index 7f322b5..56e048d 100644
--- a/src/bam/record.jl
+++ b/src/bam/record.jl
@@ -261,7 +261,7 @@ end
 Test if the mate/next read of `record` is mapped.
 """
 function isnextmapped(record::Record)::Bool
-    return isfilled(record) && (flag(record) & FLAG_MUNMAP == 0)
+    return isfilled(record) && (flag(record) & SAM.FLAG_MUNMAP == 0)
 end
 
 """