diff --git a/src/cli/Logger.cpp b/src/cli/Logger.cpp
index 8ba1f5c..9b6a928 100644
--- a/src/cli/Logger.cpp
+++ b/src/cli/Logger.cpp
@@ -66,8 +66,10 @@ void CLogger::log(eLogLevel level, const std::string_view& msg) {
     if (level == LOG_TRACE && !m_trace)
         return;
 
-    std::string logPrefix = "", logPrefixColor = "";
-    std::string logMsg = "";
+    std::lock_guard<std::mutex> lg(m_impl->m_logMtx);
+
+    std::string                 logPrefix = "", logPrefixColor = "";
+    std::string                 logMsg = "";
 
     switch (level) {
         case LOG_TRACE:
diff --git a/src/cli/Logger.hpp b/src/cli/Logger.hpp
index 1347645..b6fd6b1 100644
--- a/src/cli/Logger.hpp
+++ b/src/cli/Logger.hpp
@@ -1,6 +1,7 @@
 #include <hyprutils/cli/Logger.hpp>
 #include <fstream>
 #include <filesystem>
+#include <mutex>
 
 namespace Hyprutils::CLI {
     class CLoggerImpl {
@@ -24,6 +25,8 @@ namespace Hyprutils::CLI {
         bool                  m_fileEnabled   = false;
         bool                  m_colorEnabled  = true;
 
+        std::mutex            m_logMtx;
+
         // this is fine because CLogger is NOMOVE and NOCOPY
         CLogger* m_parent = nullptr;
     };