diff --git a/desktop_version/src/UtilityClass.cpp b/desktop_version/src/UtilityClass.cpp
index 4d341dce..3bdbbab9 100644
--- a/desktop_version/src/UtilityClass.cpp
+++ b/desktop_version/src/UtilityClass.cpp
@@ -284,7 +284,7 @@ static bool VVV_isxdigit(const unsigned char digit)
 	|| SDL_isdigit(digit);
 }
 
-bool is_positive_num(const std::string& str, bool hex)
+bool is_positive_num(const std::string& str, const bool hex)
 {
 	for (size_t i = 0; i < str.length(); i++)
 	{
diff --git a/desktop_version/src/UtilityClass.h b/desktop_version/src/UtilityClass.h
index 26901310..c3d2d169 100644
--- a/desktop_version/src/UtilityClass.h
+++ b/desktop_version/src/UtilityClass.h
@@ -24,7 +24,7 @@ bool next_split_s(
 
 bool is_number(const char* str);
 
-bool is_positive_num(const std::string& str, bool hex);
+bool is_positive_num(const std::string& str, const bool hex);
 
 bool endsWith(const std::string& str, const std::string& suffix);