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-rw-r--r--src/common/logging/filter.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/common/logging/filter.h b/src/common/logging/filter.h
index d5ffc5a58..f13197fc9 100644
--- a/src/common/logging/filter.h
+++ b/src/common/logging/filter.h
@@ -19,7 +19,7 @@ namespace Log {
class Filter {
public:
/// Initializes the filter with all classes having `default_level` as the minimum level.
- Filter(Level default_level = Level::Info);
+ explicit Filter(Level default_level = Level::Info);
/// Resets the filter so that all classes have `level` as the minimum displayed level.
void ResetAll(Level level);