diff --git a/packages/babel-parser/src/parser/error.js b/packages/babel-parser/src/parser/error.js
index e0ebaf384563..c8d6c4eeef51 100644
--- a/packages/babel-parser/src/parser/error.js
+++ b/packages/babel-parser/src/parser/error.js
@@ -112,7 +112,7 @@ export default class ParserError extends CommentsParser {
     ...params: any
   ): Error | empty {
     // $FlowIgnore[incompatible-type] We know this exists, so it can't be undefined.
-    const pos:number = indexes.get(loc);
+    const pos: number = indexes.get(loc);
     const message =
       template.replace(/%(\d+)/g, (_, i: number) => params[i]) +
       ` (${loc.line}:${loc.column})`;
diff --git a/packages/babel-parser/src/tokenizer/index.js b/packages/babel-parser/src/tokenizer/index.js
index 6935570ccb25..f9597200fe74 100644
--- a/packages/babel-parser/src/tokenizer/index.js
+++ b/packages/babel-parser/src/tokenizer/index.js
@@ -1499,7 +1499,7 @@ export default class Tokenizer extends ParserErrors {
 
   recordStrictModeErrors(message: ErrorTemplate, loc: Position) {
     // $FlowIgnore[incompatible-type] We know this exists, so it can't be undefined.
-    const index:number = indexes.get(loc);
+    const index: number = indexes.get(loc);
     if (this.state.strict && !this.state.strictErrors.has(index)) {
       this.raise(message, { at: loc });
     } else {