diff --git a/src/test/unit/osd_unittest.cc b/src/test/unit/osd_unittest.cc
index d087cc269..1c169bb12 100644
--- a/src/test/unit/osd_unittest.cc
+++ b/src/test/unit/osd_unittest.cc
@@ -370,7 +370,7 @@ TEST(OsdTest, TestStatsImperial)
     displayPortTestBufferSubstring(2, row++, "2017-11-19 10:12:");
     displayPortTestBufferSubstring(2, row++, "TOTAL ARM         : 00:05.00");
     displayPortTestBufferSubstring(2, row++, "LAST ARM          : 00:03");
-    displayPortTestBufferSubstring(2, row++, "MAX SPEED         : 28");
+    displayPortTestBufferSubstring(2, row++, "MAX SPEED         : 17");
     displayPortTestBufferSubstring(2, row++, "MAX DISTANCE      : 328%c", SYM_FT);
     displayPortTestBufferSubstring(2, row++, "MIN BATTERY       : 14.7%c", SYM_VOLT);
     displayPortTestBufferSubstring(2, row++, "END BATTERY       : 15.2%c", SYM_VOLT);