diff --git a/baseplate/lib/propagator_redditb3_http.py b/baseplate/lib/propagator_redditb3_http.py
index c47fe7068..58ceaebea 100644
--- a/baseplate/lib/propagator_redditb3_http.py
+++ b/baseplate/lib/propagator_redditb3_http.py
@@ -40,6 +40,10 @@ def extract(
             context = Context()
 
         extracted_trace_id = _extract_first_element(getter.get(carrier, self.TRACE_ID_KEY))
+        if extracted_trace_id is None:
+            # try lowercase
+            extracted_trace_id = _extract_first_element(getter.get(carrier, self.TRACE_ID_KEY.lower()))
+
         logger.debug(
             "Extracted trace_id from carrier. [carrier=%s, context=%s, trace_id=%s]",
             carrier,
@@ -47,6 +51,9 @@ def extract(
             extracted_trace_id,
         )
         extracted_span_id = _extract_first_element(getter.get(carrier, self.SPAN_ID_KEY))
+        if extracted_span_id is None:
+            # try lowercase
+            extracted_span_id = _extract_first_element(getter.get(carrier, self.SPAN_ID_KEY.lower()))
         logger.debug(
             "Extracted span_id from carrier. [carrier=%s, context=%s, span_id=%s]",
             carrier,
@@ -54,6 +61,9 @@ def extract(
             extracted_span_id,
         )
         sampled = _extract_first_element(getter.get(carrier, self.SAMPLED_KEY), default="0")
+        if sampled is None:
+            # try lowercase
+            sampled = _extract_first_element(getter.get(carrier, self.SAMPLED_KEY.lower()))
         logger.debug(
             "Extracted sampled from carrier. [carrier=%s, context=%s, sampled=%s]",
             carrier,
@@ -61,6 +71,9 @@ def extract(
             sampled,
         )
         flags = _extract_first_element(getter.get(carrier, self.FLAGS_KEY))
+        if flags is None:
+            # try lowercase
+            flags = _extract_first_element(getter.get(carrier, self.FLAGS_KEY.lower()))
         logger.debug(
             "Extracted flags from carrier. [carrier=%s, context=%s, flags=%s]",
             carrier,
diff --git a/baseplate/server/__init__.py b/baseplate/server/__init__.py
index 79d9bf95b..39c533346 100644
--- a/baseplate/server/__init__.py
+++ b/baseplate/server/__init__.py
@@ -66,6 +66,7 @@
 from baseplate.lib.log_formatter import CustomJsonFormatter
 from baseplate.lib.prometheus_metrics import is_metrics_enabled
 from baseplate.lib.propagator_redditb3_http import RedditB3HTTPFormat
+from baseplate.lib.propagator_redditb3_thrift import RedditB3ThriftFormat
 from baseplate.server import einhorn
 from baseplate.server import reloader
 from baseplate.server.net import bind_socket
@@ -275,7 +276,7 @@ def configure_tracing(config: Configuration) -> None:
 
             otlp_exporter = OTLPSpanExporter(endpoint=config.tracing["endpoint"], insecure=insecure)
             propagate.set_global_textmap(
-                CompositePropagator([RedditB3HTTPFormat(), TraceContextTextMapPropagator()])
+                CompositePropagator([RedditB3ThriftFormat(), RedditB3HTTPFormat(), TraceContextTextMapPropagator()])
             )
             provider = TracerProvider(sampler=sampler, resource=resource)
             provider.add_span_processor(