diff --git a/app/build.gradle b/app/build.gradle
index 79675a5..8eb6ffd 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -93,7 +93,7 @@ android {
             buildConfigField 'String', 'FRAMEWORK_SERVICE_BASE_URL', '"https://dev.open-sunbird.org/api/framework/v1"'
             buildConfigField 'String', 'PLAYER_CONFIG', '"org.sunbird.utils.PlayerConfig"'
             buildConfigField 'String', 'PRODUCER_ID', "${dev_producer_id}"
-            buildConfigField 'String', 'PRODUCER_UNIQUE_ID', "sunbird.app"
+            buildConfigField 'String', 'PRODUCER_UNIQUE_ID', '"sunbird.app"'
             buildConfigField 'String', 'CHANNEL_ID', "${dev_channel_id}"
             buildConfigField 'boolean', 'FILTER_CONTENT_BY_CHANNEL_ID', "false"
             buildConfigField 'int', 'MIN_COMPATIBILITY_LEVEL', "1"
@@ -118,7 +118,7 @@ android {
             buildConfigField 'String', 'FRAMEWORK_SERVICE_BASE_URL', '"https://staging.open-sunbird.org/api/framework/v1"'
             buildConfigField 'String', 'PLAYER_CONFIG', '"org.sunbird.utils.PlayerConfig"'
             buildConfigField 'String', 'PRODUCER_ID', "${staging_producer_id}"
-            buildConfigField 'String', 'PRODUCER_UNIQUE_ID', "sunbird.app"
+            buildConfigField 'String', 'PRODUCER_UNIQUE_ID', '"sunbird.app"'
             buildConfigField 'String', 'CHANNEL_ID', "${staging_channel_id}"
             buildConfigField 'boolean', 'FILTER_CONTENT_BY_CHANNEL_ID', "false"
             buildConfigField 'int', 'MIN_COMPATIBILITY_LEVEL', "1"
@@ -143,7 +143,7 @@ android {
             buildConfigField 'String', 'FRAMEWORK_SERVICE_BASE_URL', '"https://staging.open-sunbird.org/api/framework/v1"'
             buildConfigField 'String', 'PLAYER_CONFIG', '"org.sunbird.utils.PlayerConfig"'
             buildConfigField 'String', 'PRODUCER_ID', "${production_producer_id}"
-            buildConfigField 'String', 'PRODUCER_UNIQUE_ID', "sunbird.app"
+            buildConfigField 'String', 'PRODUCER_UNIQUE_ID', '"sunbird.app"'
             buildConfigField 'String', 'CHANNEL_ID', "${production_channel_id}"
             buildConfigField 'boolean', 'FILTER_CONTENT_BY_CHANNEL_ID', "false"
             buildConfigField 'int', 'MIN_COMPATIBILITY_LEVEL', "1"