diff --git a/umbral-pre-python/docs/index.rst b/umbral-pre-python/docs/index.rst
index ac183e39..acb94f43 100644
--- a/umbral-pre-python/docs/index.rst
+++ b/umbral-pre-python/docs/index.rst
@@ -85,7 +85,7 @@ API reference
 
     A reencrypted fragment of an encapsulated symmetric key.
 
-    .. py:method:: verify(capsule: Capsule, signing_pk: PublicKey, delegating_pk: PublicKey, receiving_pk: PublicKey, metadata: Optional[bytes]) -> bool
+    .. py:method:: verify(capsule: Capsule, delegating_pk: PublicKey, receiving_pk: PublicKey, signing_pk: PublicKey, metadata: Optional[bytes]) -> bool
 
         Verifies the integrity of the fragment.
 
diff --git a/umbral-pre-python/src/lib.rs b/umbral-pre-python/src/lib.rs
index 4cc91987..7d9d9989 100644
--- a/umbral-pre-python/src/lib.rs
+++ b/umbral-pre-python/src/lib.rs
@@ -237,16 +237,16 @@ impl CapsuleFrag {
     pub fn verify(
         &self,
         capsule: &Capsule,
-        signing_pk: &PublicKey,
         delegating_pk: &PublicKey,
         receiving_pk: &PublicKey,
+        signing_pk: &PublicKey,
         metadata: Option<&[u8]>,
     ) -> bool {
         self.backend.verify(
             &capsule.backend,
-            &signing_pk.backend,
             &delegating_pk.backend,
             &receiving_pk.backend,
+            &signing_pk.backend,
             metadata,
         )
     }
diff --git a/umbral-pre-python/umbral_pre/__init__.pyi b/umbral-pre-python/umbral_pre/__init__.pyi
index e60170db..e4ba1e8a 100644
--- a/umbral-pre-python/umbral_pre/__init__.pyi
+++ b/umbral-pre-python/umbral_pre/__init__.pyi
@@ -63,9 +63,9 @@ class CapsuleFrag:
     def verify(
             self,
             capsule: Capsule,
-            signing_pk: PublicKey,
             delegating_pk: PublicKey,
             receiving_pk: PublicKey,
+            signing_pk: PublicKey,
             metadata: Optional[bytes],
             ) -> bool:
         ...