diff --git a/specification/protocol/otlp.md b/specification/protocol/otlp.md
index 0e5e6da0b..ff5f5679a 100644
--- a/specification/protocol/otlp.md
+++ b/specification/protocol/otlp.md
@@ -478,7 +478,7 @@ connections SHOULD be configurable.
 
 #### OTLP/HTTP Default Port
 
-The default network port for OTLP/HTTP is 4317.
+The default network port for OTLP/HTTP is 4318.
 
 ## Implementation Recommendations