diff --git a/src/hakurei.cpp b/src/hakurei.cpp
index b854df9..ebe13e8 100644
--- a/src/hakurei.cpp
+++ b/src/hakurei.cpp
@@ -20,6 +20,7 @@
 #include <ctime>
 
 
+bool debug_mode = false;
 
 struct Entry {
   const std::string_view decoded_view;
@@ -125,6 +126,7 @@ inline void print_debug_info(const std::vector<std::string>& substrings, const s
 
 
 void log_execution(const int argc, char* argv[], const std::string& search_string, const std::string& dict_file, bool debug_mode, bool goldendict_mode) {
+  if (!debug_mode) return;
   std::ofstream log_file;
   log_file.open("/tmp/hakurei.log", std::ios_base::app);
   if (!log_file) {
@@ -149,6 +151,12 @@ void log_execution(const int argc, char* argv[], const std::string& search_strin
 
 
 void log_internal(const std::string& message) {
+  extern bool debug_mode; // Declare the external debug_mode variable
+
+  if (!debug_mode) {
+    return;
+  }
+
   std::ofstream log_file;
   log_file.open("/tmp/hakurei.log", std::ios_base::app);
   if (!log_file) {
@@ -160,7 +168,6 @@ void log_internal(const std::string& message) {
   log_file.close();
 }
 
-
 inline void wrap_html_output(
 			     const std::vector<std::string>& substrings,
 			     const std::map<std::string, std::set<std::string>>& alternatives_map,
@@ -234,7 +241,7 @@ int main(const int argc, char* argv[]) {
   log_internal("Trie loaded from dictionary file");
 
   
-  bool debug_mode = false;
+
   bool goldendict_mode = false;
   std::string word, sentence;