diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4daa5b6..bd8ff3d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.20)
 include(cmake/color.cmake)
-set(BLT_VERSION 0.18.20)
+set(BLT_VERSION 0.18.21)
 set(BLT_TEST_VERSION 0.0.1)
 
 set(BLT_TARGET BLT)
diff --git a/src/blt/profiling/profiler_v2.cpp b/src/blt/profiling/profiler_v2.cpp
index 1c8c2b1..ff5e55d 100644
--- a/src/blt/profiling/profiler_v2.cpp
+++ b/src/blt/profiling/profiler_v2.cpp
@@ -227,11 +227,15 @@ namespace blt
     
     void _internal::endInterval(const std::string& profile_name, const std::string& interval_name)
     {
+        if (profiles[profile_name].empty() || profiles[profile_name].find(interval_name) == profiles[profile_name].end())
+            return;
         blt::endInterval(profiles[profile_name].at(interval_name));
     }
     
     void _internal::writeProfile(std::ifstream& stream, const std::string& profile_name)
     {
+        if (profiles.find(profile_name) == profiles.end())
+            return;
         auto& pref = profiles[profile_name];
         profile_t profile{profile_name};
         for (const auto& i : pref)
@@ -242,6 +246,8 @@ namespace blt
     
     void _internal::printProfile(const std::string& profile_name, std::uint32_t flags, sort_by sort, blt::logging::log_level log_level)
     {
+        if (profiles.find(profile_name) == profiles.end())
+            return;
         auto& pref = profiles[profile_name];
         profile_t profile{profile_name};
         for (const auto& i : pref)