diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/core/collect/ReferenceHashStrategy.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/core/collect/ReferenceHashStrategy.kt
index d6b6fdc3c..eb3e61200 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/core/collect/ReferenceHashStrategy.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/core/collect/ReferenceHashStrategy.kt
@@ -9,7 +9,7 @@ object ReferenceHashStrategy : Hash.Strategy<Any?> {
 		if (a == null || b == null) return false
 
 		if (a is Reference<*>) {
-			if (b is Reference<*>) return a.get() == b.get()
+			if (b is Reference<*>) return a.get() != null && a.get() == b.get()
 			return a.get() == b
 		} else if (b is Reference<*>) {
 			return b.get() == a