diff --git a/Engine/source/T3D/debris.h b/Engine/source/T3D/debris.h
index 925da1053..14cbd5e9f 100644
--- a/Engine/source/T3D/debris.h
+++ b/Engine/source/T3D/debris.h
@@ -62,8 +62,8 @@ struct DebrisData : public GameBaseData
    F32      elasticity;
    F32      lifetime;
    F32      lifetimeVariance;
-   U32      numBounces;
-   U32      bounceVariance;
+   S32      numBounces;
+   S32      bounceVariance;
    F32      minSpinSpeed;
    F32      maxSpinSpeed;
    bool     explodeOnMaxBounce;  // explodes after it has bounced max times
diff --git a/Engine/source/T3D/player.h b/Engine/source/T3D/player.h
index b8d1e5cfc..00ef2ca44 100644
--- a/Engine/source/T3D/player.h
+++ b/Engine/source/T3D/player.h
@@ -484,7 +484,7 @@ protected:
    /// @{
 
    struct ActionAnimation {
-      U32 action;
+      S32 action;
       TSThread* thread;
       S32 delayTicks;               // before picking another.
       bool forward;