diff --git a/src/main/programming/logic_condition.c b/src/main/programming/logic_condition.c
index d4465c4cec6..84e3b4607c8 100644
--- a/src/main/programming/logic_condition.c
+++ b/src/main/programming/logic_condition.c
@@ -418,7 +418,7 @@ static int logicConditionGetFlightOperandValue(int operand) {
             break;
 
         case LOGIC_CONDITION_OPERAND_FLIGHT_VERTICAL_SPEED: // cm/s
-            return constrain(getEstimatedActualVelocity(Z), 0, INT16_MAX);
+            return constrain(getEstimatedActualVelocity(Z), INT16_MIN, INT16_MAX);
             break;
 
         case LOGIC_CONDITION_OPERAND_FLIGHT_TROTTLE_POS: // %