diff --git a/bignum/src/commonMain/kotlin/com/ionspin/kotlin/bignum/modular/ModularBigInteger.kt b/bignum/src/commonMain/kotlin/com/ionspin/kotlin/bignum/modular/ModularBigInteger.kt
index 0f56ba84..1c35dea3 100644
--- a/bignum/src/commonMain/kotlin/com/ionspin/kotlin/bignum/modular/ModularBigInteger.kt
+++ b/bignum/src/commonMain/kotlin/com/ionspin/kotlin/bignum/modular/ModularBigInteger.kt
@@ -291,6 +291,10 @@ class ModularBigInteger private constructor(
         }
     }
 
+    override fun hashCode(): Int {
+        return residue.hashCode()
+    }
+
     override fun toString(): String {
         return residue.toString()
     }