diff --git a/providers/openfeature-provider-flagd/src/openfeature/contrib/provider/flagd/resolvers/process/custom_ops.py b/providers/openfeature-provider-flagd/src/openfeature/contrib/provider/flagd/resolvers/process/custom_ops.py
index eab66fa6..17763615 100644
--- a/providers/openfeature-provider-flagd/src/openfeature/contrib/provider/flagd/resolvers/process/custom_ops.py
+++ b/providers/openfeature-provider-flagd/src/openfeature/contrib/provider/flagd/resolvers/process/custom_ops.py
@@ -20,14 +20,18 @@ def fractional(data: dict, *args: JsonLogicArg) -> typing.Optional[str]:
         bucket_by = args[0]
         args = args[1:]
     else:
-        bucket_by = data.get("targetingKey")
+        seed = data.get("$flagd", {}).get("flagKey", "")
+        targeting_key = data.get("targetingKey")
+        if not targeting_key:
+            logger.error("No targetingKey provided for fractional shorthand syntax.")
+            return None
+        bucket_by = seed + targeting_key
 
     if not bucket_by:
+        logger.error("No hashKey value resolved")
         return None
 
-    seed = data.get("$flagd", {}).get("flagKey", "")
-    hash_key = seed + bucket_by
-    hash_ratio = abs(mmh3.hash(hash_key)) / (2**31 - 1)
+    hash_ratio = abs(mmh3.hash(bucket_by)) / (2**31 - 1)
     bucket = int(hash_ratio * 100)
 
     for arg in args:
diff --git a/providers/openfeature-provider-flagd/test-harness b/providers/openfeature-provider-flagd/test-harness
index 3d2c5ea6..6197b3d9 160000
--- a/providers/openfeature-provider-flagd/test-harness
+++ b/providers/openfeature-provider-flagd/test-harness
@@ -1 +1 @@
-Subproject commit 3d2c5ea60de260d800b12a2d9447a25e8a995ac0
+Subproject commit 6197b3d956d358bf662e5b8e0aebdc4800480f6b