diff --git a/agent/pkg/oas/specgen_test.go b/agent/pkg/oas/specgen_test.go
index fc59aee88..1b7dd1438 100644
--- a/agent/pkg/oas/specgen_test.go
+++ b/agent/pkg/oas/specgen_test.go
@@ -48,7 +48,8 @@ func TestEntries(t *testing.T) {
 		t.FailNow()
 	}
 	GetOasGeneratorInstance().Start()
-	loadStartingOAS()
+	loadStartingOAS("test_artifacts/catalogue.json", "catalogue")
+	loadStartingOAS("test_artifacts/trcc.json", "trcc-api-service")
 
 	cnt, err := feedEntries(files, true)
 	if err != nil {
@@ -175,8 +176,7 @@ func waitQueueProcessed() {
 	}
 }
 
-func loadStartingOAS() {
-	file := "test_artifacts/catalogue.json"
+func loadStartingOAS(file string, label string) {
 	fd, err := os.Open(file)
 	if err != nil {
 		panic(err)
@@ -195,10 +195,10 @@ func loadStartingOAS() {
 		panic(err)
 	}
 
-	gen := NewGen("catalogue")
+	gen := NewGen(label)
 	gen.StartFromSpec(doc)
 
-	GetOasGeneratorInstance().ServiceSpecs.Store("catalogue", gen)
+	GetOasGeneratorInstance().ServiceSpecs.Store(label, gen)
 }
 
 func TestEntriesNegative(t *testing.T) {
diff --git a/agent/pkg/oas/test_artifacts/trcc.json b/agent/pkg/oas/test_artifacts/trcc.json
new file mode 100644
index 000000000..91252b166
--- /dev/null
+++ b/agent/pkg/oas/test_artifacts/trcc.json
@@ -0,0 +1,25 @@
+{
+  "openapi": "3.1.0",
+  "info": {
+    "title": "Preloaded TRCC",
+    "version": "0.1",
+    "description": "Test file for loading pre-existing OAS"
+  },
+  "paths": {
+    "/models/{id}": {
+      "parameters": [
+        {
+          "name": "id",
+          "in": "path",
+          "required": true,
+          "style": "simple",
+          "schema": {
+            "type": "string",
+            "pattern": ".+(_|-|\\.).+"
+          },
+          "example": "some-uuid-maybe"
+        }
+      ]
+    }
+  }
+}
\ No newline at end of file
diff --git a/agent/pkg/oas/tree.go b/agent/pkg/oas/tree.go
index f2e464bee..70eb27b5c 100644
--- a/agent/pkg/oas/tree.go
+++ b/agent/pkg/oas/tree.go
@@ -51,7 +51,7 @@ func (n *Node) getOrSet(path NodePath, existingPathObj *openapi.PathObj) (node *
 		node = n.searchInConstants(pathChunk)
 	}
 
-	if node == nil {
+	if node == nil && pathChunk != "" {
 		node = n.searchInParams(paramObj, pathChunk, chunkIsGibberish)
 	}
 
@@ -116,7 +116,7 @@ func getPatternFromExamples(exmp *openapi.Examples) *openapi.Regexp {
 
 	if allInts {
 		re := new(openapi.Regexp)
-		re.Regexp = regexp.MustCompile("\\d+")
+		re.Regexp = regexp.MustCompile(`\d+`)
 		return re
 	}
 	return nil
@@ -153,10 +153,6 @@ func (n *Node) createParam() *openapi.ParameterObj {
 }
 
 func (n *Node) searchInParams(paramObj *openapi.ParameterObj, chunk string, chunkIsGibberish bool) *Node {
-	if paramObj != nil || chunkIsGibberish {
-		logger.Log.Debugf("")
-	}
-
 	// look among params
 	for _, subnode := range n.children {
 		if subnode.constant != nil {
@@ -172,6 +168,8 @@ func (n *Node) searchInParams(paramObj *openapi.ParameterObj, chunk string, chun
 			// TODO: and not in exceptions
 			if subnode.pathParam.Schema.Pattern.Match([]byte(chunk)) {
 				return subnode
+			} else {
+				return nil
 			}
 		}
 	}