diff --git a/.eslintrc.js b/.eslintrc.js
index f64de1aa99..841a32643b 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -253,7 +253,8 @@ module.exports = {
                 'Windows': 'readonly'
             },
             rules: {
-                '@typescript-eslint/no-floating-promises': ['warn']
+                '@typescript-eslint/no-floating-promises': ['warn'],
+                '@typescript-eslint/prefer-string-starts-ends-with': ['error']
             }
         },
         // TypeScript source files
diff --git a/src/components/metadataEditor/metadataEditor.js b/src/components/metadataEditor/metadataEditor.js
index dfe7a99237..b21c615cdd 100644
--- a/src/components/metadataEditor/metadataEditor.js
+++ b/src/components/metadataEditor/metadataEditor.js
@@ -108,7 +108,7 @@ function getDateValue(form, element, property) {
         const parts = date.toISOString().split('T');
 
         // If the date is the same, preserve the time
-        if (parts[0].indexOf(val) === 0) {
+        if (parts[0].startsWith(val)) {
             const iso = parts[1];
 
             val += 'T' + iso;