diff --git a/ArduCopter/auto_tune.pde b/ArduCopter/auto_tune.pde
index 37eb8d14e8..734af8a275 100644
--- a/ArduCopter/auto_tune.pde
+++ b/ArduCopter/auto_tune.pde
@@ -35,7 +35,7 @@
 #define AUTO_TUNE_RP_RATIO_FINAL            1.0f    // I is set 1x P after testing
 #define AUTO_TUNE_RD_MIN                  0.004f    // minimum Rate D value
 #define AUTO_TUNE_RD_MAX                  0.015f    // maximum Rate D value
-#define AUTO_TUNE_RP_MIN                   0.02f    // minimum Rate P value
+#define AUTO_TUNE_RP_MIN                   0.01f    // minimum Rate P value
 #define AUTO_TUNE_RP_MAX                   0.25f    // maximum Rate P value
 #define AUTO_TUNE_SP_MAX                   15.0f    // maximum Stab P value
 #define AUTO_TUNE_SUCCESS_COUNT                4    // how many successful iterations we need to freeze at current gains