diff --git a/packages/gatsby/src/query/__tests__/__snapshots__/utils.js.snap b/packages/gatsby/src/query/__tests__/__snapshots__/utils.ts.snap
similarity index 100%
rename from packages/gatsby/src/query/__tests__/__snapshots__/utils.js.snap
rename to packages/gatsby/src/query/__tests__/__snapshots__/utils.ts.snap
diff --git a/packages/gatsby/src/query/__tests__/utils.js b/packages/gatsby/src/query/__tests__/utils.ts
similarity index 100%
rename from packages/gatsby/src/query/__tests__/utils.js
rename to packages/gatsby/src/query/__tests__/utils.ts
diff --git a/packages/gatsby/src/query/utils.js b/packages/gatsby/src/query/utils.js
deleted file mode 100644
index 71013bb11fd3a..0000000000000
--- a/packages/gatsby/src/query/utils.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// @flow
-
-const indentString = (string: string): string => string.replace(/\n/g, `\n  `)
-
-const formatErrorDetails = (errorDetails: Map<string, any>): string =>
-  Array.from(errorDetails.entries())
-    .map(
-      ([name, details]) => `${name}:
-  ${indentString(details.toString())}`
-    )
-    .join(`\n`)
-
-export { indentString, formatErrorDetails }
diff --git a/packages/gatsby/src/query/utils.ts b/packages/gatsby/src/query/utils.ts
new file mode 100644
index 0000000000000..fea157b624a84
--- /dev/null
+++ b/packages/gatsby/src/query/utils.ts
@@ -0,0 +1,10 @@
+export const indentString = (string: string): string =>
+  string.replace(/\n/g, `\n  `)
+
+export const formatErrorDetails = (errorDetails: Map<string, any>): string =>
+  Array.from(errorDetails.entries())
+    .map(
+      ([name, details]) => `${name}:
+  ${indentString(details.toString())}`
+    )
+    .join(`\n`)