diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 98cafd853..0c598bcda 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -25,7 +25,7 @@ repos:
         additional_dependencies: [tomli]
         args: [--in-place, --config, ./pyproject.toml]
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.18.0
+    rev: v3.19.0
     hooks:
       - id: pyupgrade
   - repo: https://github.com/hadialqattan/pycln
@@ -35,7 +35,7 @@ repos:
         args:
           - --config=pyproject.toml
   - repo: https://github.com/adamchainz/blacken-docs
-    rev: 1.19.0
+    rev: 1.19.1
     hooks:
       - id: blacken-docs
   - repo: https://github.com/pycqa/pydocstyle
diff --git a/src/qibolab/_core/instruments/qm/controller.py b/src/qibolab/_core/instruments/qm/controller.py
index 805196556..ed06c9531 100644
--- a/src/qibolab/_core/instruments/qm/controller.py
+++ b/src/qibolab/_core/instruments/qm/controller.py
@@ -331,7 +331,9 @@ def register_pulses(self, configs: dict[str, Config], sequence: PulseSequence):
             acquisitions (dict): Map from measurement instructions to acquisition objects.
         """
         for id, pulse in sequence:
-            if hasattr(pulse, "duration") and not pulse.duration.is_integer():
+            if hasattr(pulse, "duration") and not (
+                isinstance(pulse.duration, int) or pulse.duration.is_integer()
+            ):
                 raise ValueError(
                     f"Quantum Machines cannot play pulse with duration {pulse.duration}. "
                     "Only integer duration in ns is supported."