diff --git a/aidial_assistant/app.py b/aidial_assistant/app.py
index f91e628..d32e99a 100644
--- a/aidial_assistant/app.py
+++ b/aidial_assistant/app.py
@@ -15,11 +15,15 @@
 tools_supporting_deployments: set[str] = set(
     os.getenv("TOOLS_SUPPORTING_DEPLOYMENTS", "").split(",")
 )
+otel_logging_enabled: bool = True
 
-logging.config.dictConfig(get_log_config(log_level))
+
+logging.config.dictConfig(get_log_config(log_level, otel_logging_enabled))
 
 telemetry_config = TelemetryConfig(
-    tracing=TracingConfig(otlp_export=otlp_export_enabled, logging=True),
+    tracing=TracingConfig(
+        otlp_export=otlp_export_enabled, logging=otel_logging_enabled
+    ),
 )
 app = DIALApp(telemetry_config=telemetry_config)
 
diff --git a/aidial_assistant/utils/log_config.py b/aidial_assistant/utils/log_config.py
index fbe23bc..f6660b7 100644
--- a/aidial_assistant/utils/log_config.py
+++ b/aidial_assistant/utils/log_config.py
@@ -1,11 +1,16 @@
-def get_log_config(log_level: str) -> dict:
+def get_log_config(log_level: str, otel_logging: bool) -> dict:
+    otel_prefix_fmt = (
+        "[trace_id=%(otelTraceID)s span_id=%(otelSpanID)s] - "
+        if otel_logging
+        else ""
+    )
     return {
         "version": 1,
         "disable_existing_loggers": False,
         "formatters": {
             "default": {
                 "()": "uvicorn.logging.DefaultFormatter",
-                "fmt": "%(levelprefix)s | %(asctime)s | %(name)s | %(process)d | %(message)s",
+                "fmt": f"%(levelprefix)s | %(asctime)s | %(name)s | %(process)d | {otel_prefix_fmt}%(message)s",
                 "datefmt": "%Y-%m-%d %H:%M:%S",
                 "use_colors": True,
             },