diff --git a/NCPCore/src/main/java/fr/neatmonster/nocheatplus/compat/AttribUtil.java b/NCPCore/src/main/java/fr/neatmonster/nocheatplus/compat/AttribUtil.java
index 78bc14e92..3152a1a0b 100644
--- a/NCPCore/src/main/java/fr/neatmonster/nocheatplus/compat/AttribUtil.java
+++ b/NCPCore/src/main/java/fr/neatmonster/nocheatplus/compat/AttribUtil.java
@@ -28,7 +28,17 @@ public class AttribUtil {
     
     /** The Constant ID_SPRINT_BOOST. */
     public static final UUID ID_SPRINT_BOOST = IdUtil.UUIDFromString("662A6B8D-DA3E-4C1C-8813-96EA6097278D");
-    public static final NamespacedKey NSID_SPRINT_BOOST = new NamespacedKey("minecraft", "sprinting");
+    public static final NamespacedKey NSID_SPRINT_BOOST;
+
+    static {
+        NamespacedKey springBoost;
+        try {
+            springBoost = NamespacedKey.minecraft("sprinting");
+        } catch (NoClassDefFoundError ignored) {
+            springBoost = null;
+        }
+        NSID_SPRINT_BOOST = springBoost;
+    }
 
     /**
      * Get a multiplier for an AttributeModifier.