diff --git a/core/kt-osrd-utils/src/main/kotlin/fr/sncf/osrd/utils/BloomFilter.kt b/core/kt-osrd-utils/src/main/kotlin/fr/sncf/osrd/utils/BloomFilter.kt
index f4dc6c9b4a7..f8e00048a99 100644
--- a/core/kt-osrd-utils/src/main/kotlin/fr/sncf/osrd/utils/BloomFilter.kt
+++ b/core/kt-osrd-utils/src/main/kotlin/fr/sncf/osrd/utils/BloomFilter.kt
@@ -22,6 +22,7 @@ class BloomFilter<T>(private val bitField: BitSet, private val nHash: Int) {
         var hash = value.hashCode()
         for (i in 0..nHash) {
             if (!bitField.get(hash % bitField.size())) return false
+            hash = hash.hashCode()
         }
         return true
     }