diff --git a/include/spdlog/sinks/syslog_sink.h b/include/spdlog/sinks/syslog_sink.h
index 9f32b667..efd6b5d2 100644
--- a/include/spdlog/sinks/syslog_sink.h
+++ b/include/spdlog/sinks/syslog_sink.h
@@ -22,6 +22,15 @@ class syslog_sink : public base_sink<Mutex>
 public:
     syslog_sink(std::string ident, int syslog_option, int syslog_facility, bool enable_formatting)
         : enable_formatting_{enable_formatting}
+        , syslog_levels_{
+            /* spdlog::level::trace      */ LOG_DEBUG,
+            /* spdlog::level::debug      */ LOG_DEBUG,
+            /* spdlog::level::info       */ LOG_INFO,
+            /* spdlog::level::warn       */ LOG_WARNING,
+            /* spdlog::level::err        */ LOG_ERR,
+            /* spdlog::level::critical   */ LOG_CRIT,
+            /* spdlog::level::off        */ LOG_INFO
+        }
         , ident_{std::move(ident)}
     {
         // set ident to be program name if empty
@@ -59,15 +68,7 @@ protected:
     bool enable_formatting_ = false;
 
 private:
-    std::array<int, 7> syslog_levels_ {
-            /* level::trace      */ LOG_DEBUG,
-            /* level::debug      */ LOG_DEBUG,
-            /* level::info       */ LOG_INFO,
-            /* level::warn       */ LOG_WARNING,
-            /* level::err        */ LOG_ERR,
-            /* level::critical   */ LOG_CRIT,
-            /* level::off        */ LOG_INFO
-    };
+    std::array<int, 7> syslog_levels_;
     // must store the ident because the man says openlog might use the pointer as
     // is and not a string copy
     const std::string ident_;
diff --git a/include/spdlog/sinks/systemd_sink.h b/include/spdlog/sinks/systemd_sink.h
index 15938fa2..23f9e5b3 100644
--- a/include/spdlog/sinks/systemd_sink.h
+++ b/include/spdlog/sinks/systemd_sink.h
@@ -23,7 +23,16 @@ class systemd_sink : public base_sink<Mutex>
 {
 public:
     //
-    explicit systemd_sink() {}
+    systemd_sink(): syslog_levels_{
+        /* spdlog::level::trace      */ LOG_DEBUG,
+        /* spdlog::level::debug      */ LOG_DEBUG,
+        /* spdlog::level::info       */ LOG_INFO,
+        /* spdlog::level::warn       */ LOG_WARNING,
+        /* spdlog::level::err        */ LOG_ERR,
+        /* spdlog::level::critical   */ LOG_CRIT,
+        /* spdlog::level::off        */ LOG_INFO
+    }
+    {}
 
     ~systemd_sink() override {}
 
@@ -32,15 +41,7 @@ public:
 
 protected:
 
-    std::array<int, 7> syslog_levels_ {
-        /* level::trace      */ LOG_DEBUG,
-        /* level::debug      */ LOG_DEBUG,
-        /* level::info       */ LOG_INFO,
-        /* level::warn       */ LOG_WARNING,
-        /* level::err        */ LOG_ERR,
-        /* level::critical   */ LOG_CRIT,
-        /* level::off        */ LOG_INFO
-    };
+    std::array<int, 7> syslog_levels_;
 
     void sink_it_(const details::log_msg &msg) override
     {