diff --git a/.chloggen/main.yaml b/.chloggen/main.yaml
new file mode 100755
index 0000000000..599e09a1d7
--- /dev/null
+++ b/.chloggen/main.yaml
@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component, or a single word describing the area of concern, (e.g. operator, target allocator, github action)
+component: operator
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: add missing appProtocol in opencensus receiver
+
+# One or more tracking issues related to the change
+issues: [2487]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
diff --git a/internal/manifests/collector/parser/receiver/receiver_oc.go b/internal/manifests/collector/parser/receiver/receiver_oc.go
index 3463a8d398..6619439a82 100644
--- a/internal/manifests/collector/parser/receiver/receiver_oc.go
+++ b/internal/manifests/collector/parser/receiver/receiver_oc.go
@@ -24,12 +24,14 @@ const parserNameOpenCensus = "__opencensus"
 
 // NewOpenCensusReceiverParser builds a new parser for OpenCensus receivers.
 func NewOpenCensusReceiverParser(logger logr.Logger, name string, config map[interface{}]interface{}) parser.ComponentPortParser {
+	httpAppProtocol := "http"
 	return &GenericReceiver{
-		logger:      logger,
-		name:        name,
-		config:      config,
-		defaultPort: 55678,
-		parserName:  parserNameOpenCensus,
+		logger:             logger,
+		name:               name,
+		config:             config,
+		defaultPort:        55678,
+		parserName:         parserNameOpenCensus,
+		defaultAppProtocol: &httpAppProtocol,
 	}
 }