diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.m b/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.m
index 13e3a5e4..5ff608c3 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.m
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.m
@@ -18,7 +18,9 @@ - (nullable HKObjectType *)getReadPermFromText:(nonnull NSString*)key {
     float systemVersion = deviceInfo.systemVersion.floatValue;
 
     // Characteristic Identifiers
-    if ([@"Height" isEqualToString: key]) {
+    if ([@"DateOfBirth" isEqualToString: key]) {
+        return [HKObjectType characteristicTypeForIdentifier:HKCharacteristicTypeIdentifierDateOfBirth];
+    }else if ([@"Height" isEqualToString: key]) {
         return [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierHeight];
     }else if ([@"Weight" isEqualToString: key]) {
         return [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass];