diff --git a/CMakeLists.txt b/CMakeLists.txt
index cc07fd1..8fbc9ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.20)
 include(cmake/color.cmake)
-set(BLT_VERSION 5.2.33)
+set(BLT_VERSION 5.2.34)
 
 set(BLT_TARGET BLT)
 
diff --git a/src/blt/logging/logging.cpp b/src/blt/logging/logging.cpp
index a2f2d68..4bc5cb2 100644
--- a/src/blt/logging/logging.cpp
+++ b/src/blt/logging/logging.cpp
@@ -215,7 +215,7 @@ namespace blt::logging
 	std::optional<std::pair<size_t, size_t>> logger_t::consume_to_next_fmt()
 	{
 		auto begin = m_fmt.find('{', m_last_fmt_pos);
-		while (begin > 0 && m_fmt[begin - 1] == '\\')
+		while (begin != std::string::npos && begin > 0 && m_fmt[begin - 1] == '\\')
 			begin = m_fmt.find('{', begin + 1);;
 		if (begin == std::string::npos)
 			return {};