diff --git a/src/race/grand_prix_data.cpp b/src/race/grand_prix_data.cpp
index 318db46d6..f717edc0c 100644
--- a/src/race/grand_prix_data.cpp
+++ b/src/race/grand_prix_data.cpp
@@ -126,7 +126,7 @@ void GrandPrixData::changeReverse(const RandomGPInfoDialog::REVERSED use_reverse
             m_reversed[i] = false;
         else if (use_reverse == RandomGPInfoDialog::MIXED)
             if (track_manager->getTrack(m_tracks[i])->reverseAvailable())
-                m_reversed[i] = rand() % 2;
+                m_reversed[i] = (rand() % 2!=0);
             else
                 m_reversed[i] = false;
         else // all reversed