diff --git a/src/modules/clock.cpp b/src/modules/clock.cpp
index ac85c4cc..8df3c4fc 100644
--- a/src/modules/clock.cpp
+++ b/src/modules/clock.cpp
@@ -8,13 +8,14 @@ waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
     label_.get_style_context()->add_class(id);
   }
   thread_ = [this] {
-    auto now = std::chrono::system_clock::now();
     dp.emit();
+    auto now = std::chrono::system_clock::now();
     auto timeout = std::chrono::floor<std::chrono::seconds>(now + interval_);
     auto time_s = std::chrono::time_point_cast<std::chrono::seconds>(timeout);
     auto sub_m =
       std::chrono::duration_cast<std::chrono::seconds>(time_s.time_since_epoch()).count() % interval_.count();
-    thread_.sleep_until(timeout - std::chrono::seconds(sub_m - 1));
+    if (sub_m > 0) thread_.sleep_until(timeout - std::chrono::seconds(sub_m - 1));
+    else thread_.sleep_until(timeout - std::chrono::seconds(sub_m));
   };
 }