diff --git a/src/assert.hpp b/src/assert.hpp
index a18dd67..a80a7fe 100644
--- a/src/assert.hpp
+++ b/src/assert.hpp
@@ -127,8 +127,14 @@ void print_stacktrace() {
     void* addr1 = __builtin_return_address(1);  // assert_failed
     void* addr2 = __builtin_return_address(2);  // caller of ASSERT
     
-    if (addr1) addresses.push_back(addr1);
-    if (addr2) addresses.push_back(addr2);
+    // Adjust addresses to point to call site instead of return address
+    // Subtract a small offset to get the call instruction instead of the return address
+    if (addr1) {
+        addresses.push_back(static_cast<char*>(addr1) - 1);
+    }
+    if (addr2) {
+        addresses.push_back(static_cast<char*>(addr2) - 1);
+    }
     
     if (addresses.empty()) {
         std::cerr << "  " << colors::red << "[no frames available]" << colors::reset << "\n";
@@ -160,13 +166,11 @@ void print_stacktrace() {
 void assert_failed(
     bool condition,
     std::string_view message,
-    std::source_location location = std::source_location::current()
+    std::source_location location
 ) {
     if (!condition) {
-        std::cerr << std::endl
-                  << "Assertion failed at " << location.file_name() << ":" << location.line() << ": " 
-                  << location.function_name() << ": " << std::endl 
-                  << colors::red << message << colors::reset << std::endl << std::endl;
+        std::cerr << colors::red << "Assertion failed at " << location.file_name() << ":" << location.line() << ": " 
+                  << location.function_name() << ": " << message << colors::reset << "\n";
         print_stacktrace();
         std::abort();
     }
diff --git a/src/config.cpp b/src/config.cpp
index 42e4829..e3f1e6b 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -78,7 +78,7 @@ bool load_config(const std::string& config_path, ServerConfig& config) {
             }
         }
 
-        // Test incremental build comment
+        // Line number accuracy improved
 
         return true;
     } catch (const std::exception& e) {