diff --git a/libardrone/libardrone.py b/libardrone/libardrone.py
index b266063..92bc025 100644
--- a/libardrone/libardrone.py
+++ b/libardrone/libardrone.py
@@ -50,6 +50,17 @@
 
 DEBUG = False
 
+# 0: "Not defined"
+# 131072:  "Landed"
+# 393216:  "Taking-off-Floor"
+# 393217:  "Taking-off-Air"
+# 262144:  "Hovering"
+# 524288:  "Landing"
+# 458752:  "Stabilizing"
+# 196608:  "Moving"
+# 262153 and 196613:  "Undefined"
+ctrl_state_dict={0:0, 131072:1, 393216:2, 393217:3, 262144:4, 524288:5, 458752:6, 196608:7, 262153:8, 196613:9}
+
 
 class ARDrone(object):
     """ARDrone Class.
@@ -537,6 +548,7 @@ def decode_navdata(packet):
             values = struct.unpack_from("IIfffifffI", "".join(values))
             values = dict(zip(['ctrl_state', 'battery', 'theta', 'phi', 'psi', 'altitude', 'vx', 'vy', 'vz', 'num_frames'], values))
             # convert the millidegrees into degrees and round to int, as they
+            values['ctrl_state'] = ctrl_state_dict[values['ctrl_state']]
             # are not so precise anyways
             for i in 'theta', 'phi', 'psi':
                 values[i] = int(values[i] / 1000)