diff --git a/lib/datadog/tracing/configuration/settings.rb b/lib/datadog/tracing/configuration/settings.rb
index 602396be55e..4ee180b9328 100644
--- a/lib/datadog/tracing/configuration/settings.rb
+++ b/lib/datadog/tracing/configuration/settings.rb
@@ -61,6 +61,8 @@ def self.extended(base)
                   o.default(
                     [
                       Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_DATADOG,
+                      Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_B3_MULTI_HEADER,
+                      Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_B3_SINGLE_HEADER,
                       Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_TRACE_CONTEXT,
                     ]
                   )
diff --git a/spec/datadog/tracing/configuration/settings_spec.rb b/spec/datadog/tracing/configuration/settings_spec.rb
index 61e656fda54..f3dd1ebc5ef 100644
--- a/spec/datadog/tracing/configuration/settings_spec.rb
+++ b/spec/datadog/tracing/configuration/settings_spec.rb
@@ -76,6 +76,8 @@
             it do
               is_expected.to contain_exactly(
                 Datadog::Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_DATADOG,
+                Datadog::Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_B3_MULTI_HEADER,
+                Datadog::Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_B3_SINGLE_HEADER,
                 Datadog::Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_TRACE_CONTEXT
               )
             end
@@ -216,7 +218,9 @@ def propagation_inject_style
             it { is_expected.to eq [] }
 
             it 'does not change propagation_extract_style' do
-              expect { propagation_style }.to_not change { propagation_extract_style }.from(%w[Datadog tracecontext])
+              expect { propagation_style }.to_not change { propagation_extract_style }.from(
+                %w[Datadog b3multi b3 tracecontext]
+              )
             end
 
             it 'does not change propagation_inject_style' do