diff --git a/Content.Shared/Movement/Systems/SpeedModifierContactsSystem.cs b/Content.Shared/Movement/Systems/SpeedModifierContactsSystem.cs
index 9c96a2b7dc..e2dee87019 100644
--- a/Content.Shared/Movement/Systems/SpeedModifierContactsSystem.cs
+++ b/Content.Shared/Movement/Systems/SpeedModifierContactsSystem.cs
@@ -113,7 +113,7 @@ public sealed class SpeedModifierContactsSystem : EntitySystem
                 var evSlippery = new GetSlowedOverSlipperyModifierEvent();
                 RaiseLocalEvent(uid, ref evSlippery);
 
-                if (MathHelper.CloseTo(evSlippery.SlowdownModifier, 1))
+                if (!MathHelper.CloseTo(evSlippery.SlowdownModifier, 1))
                 {
                     walkSpeed += evSlippery.SlowdownModifier;
                     sprintSpeed += evSlippery.SlowdownModifier;