diff --git a/src/segway_rmp200.h b/src/segway_rmp200.h
index 09854aefa8443c05b90c48fe945179c4211bf8c0..1927e9ef035467d3896f4dfa351e36cd76e0e932 100755
--- a/src/segway_rmp200.h
+++ b/src/segway_rmp200.h
@@ -195,7 +195,7 @@ class CSegwayRMP200
     static const float COUNTS_2_VOLT_OFFSET      = 1.4f;
     static const float COUNTSVOLT_2_VOLT         = 1.f/4.f;
     static const float COUNTSMPH_2_METRSEC       = 3.6f*147.f/1.609344f;
-    static const float COUNTS_2_RADSEC           = 1024.f;
+    static const float COUNTS_2_RADSEC           = 1024.f/M_PI;
     static const float RADS_2_DEGS               = 180.f/M_PI;
     
     /**