diff --git a/package-lock.json b/package-lock.json
index 11a813b..4455ebc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -42,6 +42,22 @@
         "url-template": "^2.0.8"
       }
     },
+    "@stoplight/fast-safe-stringify": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/@stoplight/fast-safe-stringify/-/fast-safe-stringify-2.1.2.tgz",
+      "integrity": "sha512-ayw3qQ9KNn2K5q6ggrLclh+rdZsSLwYIUz3uAer1NzaCpalJLR4g32G845ylgq7Xy2AunMHnNfD3FC3s0rUcsA=="
+    },
+    "@stoplight/json": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/@stoplight/json/-/json-1.5.0.tgz",
+      "integrity": "sha512-f9kgxIusy+pO4Y2aPwgiFHXpm64Fmwli3a5tFAfz3iyRra8SiIlRxDJYkpQBFS/qxZP4VUjBAiVEGyudpOi1gQ==",
+      "requires": {
+        "@stoplight/fast-safe-stringify": "2.1.2",
+        "@stoplight/types": "3.x.x",
+        "json-source-map": "0.4.0",
+        "lodash": "4.x.x"
+      }
+    },
     "@stoplight/spectral": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/@stoplight/spectral/-/spectral-1.0.2.tgz",
@@ -294,6 +310,11 @@
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
       "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
     },
+    "json-source-map": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/json-source-map/-/json-source-map-0.4.0.tgz",
+      "integrity": "sha1-7qg3/jzi8r/VsTaHd5QGNUQjw1U="
+    },
     "jsonpath": {
       "version": "git://github.com/stoplightio/jsonpath.git#fe90d42805afb6dcfa7ca75f2503aa71f62f9a06",
       "from": "git://github.com/stoplightio/jsonpath.git#fe90d42",
diff --git a/package.json b/package.json
index 2d4e0fb..0685de0 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
   },
   "dependencies": {
     "@octokit/rest": "^16.15.0",
+    "@stoplight/json": "^1.5.0",
     "@stoplight/spectral": "^1.0.2",
     "@types/node": "^11.9.4",
     "funfix": "^7.0.1",
diff --git a/src/index.ts b/src/index.ts
index e9b692c..605cbda 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,6 +1,9 @@
 import * as Octokit from '@octokit/rest'
 import { Spectral } from '@stoplight/spectral'
 import { join } from 'path'
+import { pathToPointer } from "@stoplight/json";
+import { parseWithPointers } from "@stoplight/json/parseWithPointers";
+import { readFileSync } from 'fs'
 import { oas2Functions, oas2Rules } from '@stoplight/spectral/rulesets/oas2';
 import { oas3Functions, oas3Rules } from '@stoplight/spectral/rulesets/oas3';
 import { ValidationSeverity } from '@stoplight/types/validations';
@@ -26,20 +29,26 @@ if (!GITHUB_EVENT_PATH || !GITHUB_TOKEN || !GITHUB_SHA || !GITHUB_WORKSPACE || !
     spectral.addRules(oas3Rules());
 
 
-    const payload = require(join(GITHUB_WORKSPACE, SPECTRAL_FILE_PATH))
-    const { results } = spectral.run(payload);
+    const fileContent = readFileSync(join(GITHUB_WORKSPACE, SPECTRAL_FILE_PATH), { encoding: 'utf8' })
+    const parsed = parseWithPointers(fileContent);
+    const { results } = spectral.run(parsed.data);
 
     // @ts-ignore
-    const annotations: Octokit.ChecksListAnnotationsParams[] = results.map(validationResult => ({
-      annotation_level: validationResult.severity === ValidationSeverity.Error ? 'failure' : validationResult.severity === ValidationSeverity.Warn ? 'warning' : 'notice',
-      message: validationResult.summary,
-      title: validationResult.name,
-      start_line: validationResult.location ? validationResult.location.start.line : 0,
-      end_line: validationResult.location && validationResult.location.end ? validationResult.location.end.line : 0,
-      start_column: validationResult.location ? validationResult.location.start.column : undefined,
-      end_column: validationResult.location && validationResult.location.end && validationResult.location.end.column ? validationResult.location.end.column : undefined,
-      path: join(GITHUB_WORKSPACE, SPECTRAL_FILE_PATH),
-    }));
+    const annotations: Octokit.ChecksListAnnotationsParams[] = results.map(validationResult => {
+      const path = pathToPointer(validationResult.path as string[]).slice(1);
+      const position = parsed.pointers[path];
+
+      return {
+        annotation_level: validationResult.severity === ValidationSeverity.Error ? 'failure' : validationResult.severity === ValidationSeverity.Warn ? 'warning' : 'notice',
+        message: validationResult.summary,
+        title: validationResult.name,
+        start_line: position ? position.start.line : 0,
+        end_line: position && position.end ? position.end.line : 0,
+        start_column: position && position.start.column ? position.start.column : undefined,
+        end_column: position && position.end && position.end.column ? position.end.column : undefined,
+        path: join(GITHUB_WORKSPACE, SPECTRAL_FILE_PATH),
+      }
+    });
 
     // @ts-ignore
     return octokit.checks.update({