diff --git a/scripts/breakUpAriaJSON.js b/scripts/breakUpAriaJSON.js
index 61517189..1fed02fe 100755
--- a/scripts/breakUpAriaJSON.js
+++ b/scripts/breakUpAriaJSON.js
@@ -296,7 +296,7 @@ fs.readFile(path.join('scripts/roles.json'), {
         + ' */\n'
         + `${requiresMapper(requires[0], path.join(requires[2]), 0)}\n`
         + `\n`
-        + `const ${requires[1]} = new Map([\n`
+        + `const ${requires[1]}: MapOfRoleDefinitions = new Map([\n`
         + `${requiresCombiner(requires[0], 1)}\n`
         + `]);\n`
         + `\n`
diff --git a/src/etc/roles/ariaAbstractRoles.js b/src/etc/roles/ariaAbstractRoles.js
index 661ceb87..09bf1eae 100644
--- a/src/etc/roles/ariaAbstractRoles.js
+++ b/src/etc/roles/ariaAbstractRoles.js
@@ -29,4 +29,4 @@ const ariaAbstractRoles: MapOfRoleDefinitions = new Map([
   ['window', windowRole]
 ]);
 
-export default ariaAbstractRoles;
+export default ariaAbstractRoles;
\ No newline at end of file
diff --git a/src/etc/roles/ariaDpubRoles.js b/src/etc/roles/ariaDpubRoles.js
index eaded128..a016f39b 100644
--- a/src/etc/roles/ariaDpubRoles.js
+++ b/src/etc/roles/ariaDpubRoles.js
@@ -83,4 +83,4 @@ const ariaDpubRoles: MapOfRoleDefinitions = new Map([
   ['doc-toc', docTocRole]
 ]);
 
-export default ariaDpubRoles;
+export default ariaDpubRoles;
\ No newline at end of file
diff --git a/src/etc/roles/ariaLiteralRoles.js b/src/etc/roles/ariaLiteralRoles.js
index bf15f118..3748f6c8 100644
--- a/src/etc/roles/ariaLiteralRoles.js
+++ b/src/etc/roles/ariaLiteralRoles.js
@@ -143,4 +143,4 @@ const ariaLiteralRoles: MapOfRoleDefinitions = new Map([
   ['treeitem', treeitemRole]
 ]);
 
-export default ariaLiteralRoles;
+export default ariaLiteralRoles;
\ No newline at end of file