diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index 5565051d0..2792e48a9 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -2,7 +2,7 @@
 
 
 ## Type of change
-- [ ] Bug fix
+- [ ] Bug fix & code cleanup
 - [ ] New feature
 - [ ] Documentation update
 - [ ] Test update
diff --git a/src/pyembed/dlite-python-singletons.c b/src/pyembed/dlite-python-singletons.c
index 696664a55..eb7233047 100644
--- a/src/pyembed/dlite-python-singletons.c
+++ b/src/pyembed/dlite-python-singletons.c
@@ -208,7 +208,7 @@ PyObject *dlite_python_module_error(DLiteErrors code)
 
   /* Create exception */
   count = snprintf(excname, sizeof(excname), "dlite.%s", errname);
-  assert(count > 0 && count < sizeof(excname));
+  assert(count > 0 && count < (int)sizeof(excname));
   errdescr = dlite_errdescr(code);
 
   if (!(exc = PyErr_NewExceptionWithDoc(excname, errdescr, base, NULL)))