diff --git a/src/qibotn/backends/quimb.py b/src/qibotn/backends/quimb.py
index 667d4fe..020951b 100644
--- a/src/qibotn/backends/quimb.py
+++ b/src/qibotn/backends/quimb.py
@@ -203,7 +203,7 @@ if not __name__ == "__main__":
             statevector=statevector,
         )
 
-    def expectation_observable_symbolic_from_state(
+    def expectation_observable_symbolic(
         self, circuit, operators_list, sites_list, coeffs_list, nqubits
     ):
         """