diff --git a/msg/estimator_states.msg b/msg/estimator_states.msg
index f4e3f0f261..9e92f6cbb4 100644
--- a/msg/estimator_states.msg
+++ b/msg/estimator_states.msg
@@ -1,7 +1,7 @@
 uint64 timestamp		# time since system start (microseconds)
 uint64 timestamp_sample         # the timestamp of the raw data (microseconds)
 
-float32[24] states		# Internal filter states
+float32[25] states		# Internal filter states
 uint8 n_states		# Number of states effectively used
 
-float32[24] covariances	# Diagonal Elements of Covariance Matrix
+float32[25] covariances	# Diagonal Elements of Covariance Matrix