diff --git a/src/qibotn/QiboCircuitConvertor.py b/src/qibotn/QiboCircuitConvertor.py
index c30cfb6..ba8212f 100644
--- a/src/qibotn/QiboCircuitConvertor.py
+++ b/src/qibotn/QiboCircuitConvertor.py
@@ -95,7 +95,8 @@ class QiboCircuitToEinsum:
             required_shape = self.op_shape_from_qubits(len(gate_qubits))
             self.gate_tensors.append(
                 (
-                    cp.asarray(gate.matrix).reshape(required_shape),
+                    cp.asarray(gate.matrix(), dtype=self.dtype).reshape(
+                        required_shape),
                     gate_qubits,
                 )
             )