diff --git a/pypcd/pypcd.py b/pypcd/pypcd.py
index ed191a4..09d2db2 100644
--- a/pypcd/pypcd.py
+++ b/pypcd/pypcd.py
@@ -67,6 +67,7 @@
                            (np.dtype('uint16'), ('U', 2)),
                            (np.dtype('uint32'), ('U', 4)),
                            (np.dtype('uint64'), ('U', 8)),
+                           (np.dtype('int8'), ('I', 1)),
                            (np.dtype('int16'), ('I', 2)),
                            (np.dtype('int32'), ('I', 4)),
                            (np.dtype('int64'), ('I', 8))]