diff --git a/src/__tests__/fixtures/oas-references/baseline.json b/src/__tests__/fixtures/oas-references/baseline.json
index f7729d4..b6aae13 100644
--- a/src/__tests__/fixtures/oas-references/baseline.json
+++ b/src/__tests__/fixtures/oas-references/baseline.json
@@ -8,7 +8,6 @@
       "location": "[root].interactions[1]",
       "value": {
         "description": "should fail with missing parameters",
-        "providerState": "",
         "request": {
           "method": "POST",
           "path": "/login",
@@ -51,7 +50,6 @@
       "location": "[root].interactions[1]",
       "value": {
         "description": "should fail with missing parameters",
-        "providerState": "",
         "request": {
           "method": "POST",
           "path": "/login",
@@ -122,5 +120,91 @@
       "value": false
     },
     "type": "error"
+  },
+  {
+    "code": "request.path-or-method.unknown",
+    "message": "Path or method not defined in spec file: GET /wildcards/foo",
+    "mockDetails": {
+      "interactionDescription": "should error (but not crash) for wildcard routes",
+      "interactionState": "[none]",
+      "location": "[root].interactions[4].request.path",
+      "value": "/wildcards/foo"
+    },
+    "specDetails": {
+      "location": "[root].paths",
+      "pathMethod": null,
+      "pathName": null,
+      "value": {
+        "/login": {
+          "post": {
+            "parameters": [
+              {
+                "in": "query",
+                "name": "account",
+                "required": true,
+                "schema": {
+                  "type": "string"
+                }
+              },
+              {
+                "in": "query",
+                "name": "nested",
+                "required": true,
+                "schema": {
+                  "type": "string"
+                }
+              }
+            ],
+            "requestBody": {
+              "content": {
+                "application/json": {
+                  "schema": {
+                    "type": "object",
+                    "properties": {
+                      "username": {
+                        "type": "string"
+                      }
+                    },
+                    "required": [
+                      "username"
+                    ]
+                  }
+                }
+              }
+            },
+            "responses": {
+              "201": {
+                "description": "Response body",
+                "content": {
+                  "application/json": {
+                    "schema": {
+                      "type": "object",
+                      "properties": {
+                        "id": {
+                          "type": "string"
+                        }
+                      },
+                      "required": [
+                        "id"
+                      ]
+                    }
+                  }
+                }
+              }
+            }
+          }
+        },
+        "/wildcards/*": {
+          "get": {
+            "responses": {
+              "200": {
+                "description": "description"
+              }
+            }
+          }
+        }
+      }
+    },
+    "type": "error"
   }
 ]
\ No newline at end of file
diff --git a/src/__tests__/fixtures/oas-references/oas.yaml b/src/__tests__/fixtures/oas-references/oas.yaml
index b890121..9eec5cd 100644
--- a/src/__tests__/fixtures/oas-references/oas.yaml
+++ b/src/__tests__/fixtures/oas-references/oas.yaml
@@ -14,6 +14,11 @@ paths:
       responses:
         "201":
           $ref: "#/components/responses/Response.Body"
+  /wildcards/*:
+    get:
+      responses:
+        "200":
+          description: description
 
 components:
   parameters:
diff --git a/src/__tests__/fixtures/oas-references/pact.json b/src/__tests__/fixtures/oas-references/pact.json
index 1992eab..16cb884 100644
--- a/src/__tests__/fixtures/oas-references/pact.json
+++ b/src/__tests__/fixtures/oas-references/pact.json
@@ -4,7 +4,6 @@
   "interactions": [
     {
       "description": "should pass when json body matches spec",
-      "providerState": "",
       "request": {
         "method": "POST",
         "path": "/login",
@@ -25,7 +24,6 @@
     },
     {
       "description": "should fail with missing parameters",
-      "providerState": "",
       "request": {
         "method": "POST",
         "path": "/login",
@@ -45,7 +43,6 @@
     },
     {
       "description": "should fail with bad request body",
-      "providerState": "",
       "request": {
         "method": "POST",
         "path": "/login",
@@ -64,7 +61,6 @@
     },
     {
       "description": "should fail with bad response body",
-      "providerState": "",
       "request": {
         "method": "POST",
         "path": "/login",
@@ -82,6 +78,16 @@
           "username": "bob"
         }
       }
+    },
+    {
+      "description": "should error (but not crash) for wildcard routes",
+      "request": {
+        "method": "GET",
+        "path": "/wildcards/foo"
+      },
+      "response": {
+        "status": 200
+      }
     }
   ]
 }
diff --git a/src/__tests__/fixtures/oas-references/results.json b/src/__tests__/fixtures/oas-references/results.json
index a7adff2..4f2289a 100644
--- a/src/__tests__/fixtures/oas-references/results.json
+++ b/src/__tests__/fixtures/oas-references/results.json
@@ -68,5 +68,21 @@
       "value": false
     },
     "type": "error"
+  },
+  {
+    "code": "request.path-or-method.unknown",
+    "message": "Path or method not defined in spec file: GET /wildcards/foo",
+    "mockDetails": {
+      "interactionDescription": "should error (but not crash) for wildcard routes",
+      "interactionState": "[none]",
+      "location": "[root].interactions[4].request.path",
+      "value": "/wildcards/foo"
+    },
+    "specDetails": {
+      "location": "[root].paths",
+      "pathMethod": null,
+      "pathName": null
+    },
+    "type": "error"
   }
 ]
\ No newline at end of file
diff --git a/src/compare/setup.ts b/src/compare/setup.ts
index 78ba840..3edd547 100644
--- a/src/compare/setup.ts
+++ b/src/compare/setup.ts
@@ -59,16 +59,21 @@ export function setupRouter(
         operation.parameters = parameters;
       }
       operation.security ||= oas.security;
-      router.on(method.toUpperCase() as HTTPMethod, path, () => {}, {
-        method,
-        oas,
-        operation,
-        path: oasPath,
-        securitySchemes:
-          (oas as OpenAPIV2.Document).securityDefinitions ||
-          (oas as OpenAPIV3.Document).components?.securitySchemes ||
-          {},
-      });
+      router.on(
+        method.toUpperCase() as HTTPMethod,
+        path.replaceAll(/\*+/g, "{:wildcard}"),
+        () => {},
+        {
+          method,
+          oas,
+          operation,
+          path: oasPath,
+          securitySchemes:
+            (oas as OpenAPIV2.Document).securityDefinitions ||
+            (oas as OpenAPIV3.Document).components?.securitySchemes ||
+            {},
+        },
+      );
     }
   }
   return router;