diff --git a/android/KMAPro/kMAPro/build.gradle b/android/KMAPro/kMAPro/build.gradle
index 11ec4efd2d..94a29347b7 100644
--- a/android/KMAPro/kMAPro/build.gradle
+++ b/android/KMAPro/kMAPro/build.gradle
@@ -67,6 +67,7 @@ android {
     productFlavors {
     }
 
+    String tier = new File('../../TIER.md').getText('UTF-8').trim();
     applicationVariants.all { variant ->
         // Append tag to app name to help differentiate versions for app testers:
         //  - stable builds have no suffix
@@ -75,7 +76,7 @@ android {
         //  - PR builds also have "-test-1234" suffix (where 1234 is PR#)
         // Gradle sync will nullify these values, so have a fallback
         String appSuffix = ''
-        String tag = VERSION_TAG ? VERSION_TAG : '-' + new File('../../TIER.md').getText('UTF-8');
+        String tag = VERSION_TAG ? VERSION_TAG : '-' + tier;
         if (tag.startsWithAny("-beta", "beta")) {
             appSuffix = ' Beta';
         } else if (tag.startsWithAny("-alpha", "alpha")) {
@@ -127,7 +128,7 @@ if (env_keys_json_file != null && file(env_keys_json_file).exists()) {
 
         // Deactivate lower conflicting version APKs
         resolutionStrategy.set(com.github.triplet.gradle.androidpublisher.ResolutionStrategy.IGNORE)
-        switch (System.env.TIER) {
+        switch (String.valueOf(tier)) {
             case 'beta':
                 track.set("beta")
                 println "TIER set to beta"
diff --git a/oem/firstvoices/android/app/build.gradle b/oem/firstvoices/android/app/build.gradle
index fa5dc5a127..dfe37e3c59 100644
--- a/oem/firstvoices/android/app/build.gradle
+++ b/oem/firstvoices/android/app/build.gradle
@@ -54,6 +54,7 @@ android {
     productFlavors {
     }
 
+    String tier = new File('../../../TIER.md').getText('UTF-8').trim();
     applicationVariants.all { variant ->
         // Adjust output name to "firstvoices-${VERSION_MD}.apk"
         variant.outputs.all {
@@ -95,7 +96,7 @@ if (env_keys_json_file != null && file(env_keys_json_file).exists()) {
 
         // Deactivate lower conflicting version APKs
         resolutionStrategy.set(com.github.triplet.gradle.androidpublisher.ResolutionStrategy.IGNORE)
-        switch (System.env.TIER) {
+        switch (String.valueOf(tier)) {
             case 'beta':
                 track.set("beta")
                 println "TIER set to beta"