diff --git a/ui/build.gradle b/ui/build.gradle
index bd060a71..5e21010f 100644
--- a/ui/build.gradle
+++ b/ui/build.gradle
@@ -48,9 +48,6 @@ android {
         }
     }
     buildTypes {
-        all {
-            buildConfigField('boolean', 'IS_GOOGLE_PLAY', (findProperty('build.google_play') == 'true').toString())
-        }
         release {
             if (keystorePropertiesFile.exists()) signingConfig signingConfigs.release
             minifyEnabled true
diff --git a/ui/src/main/java/com/wireguard/android/preference/DonatePreference.kt b/ui/src/main/java/com/wireguard/android/preference/DonatePreference.kt
index 59980dcb..bb49c7e1 100644
--- a/ui/src/main/java/com/wireguard/android/preference/DonatePreference.kt
+++ b/ui/src/main/java/com/wireguard/android/preference/DonatePreference.kt
@@ -8,11 +8,11 @@ package com.wireguard.android.preference
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
+import android.os.Build
 import android.util.AttributeSet
 import android.widget.Toast
 import androidx.preference.Preference
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import com.wireguard.android.BuildConfig
 import com.wireguard.android.R
 import com.wireguard.android.util.ErrorMessages
 
@@ -22,8 +22,21 @@ class DonatePreference(context: Context, attrs: AttributeSet?) : Preference(cont
     override fun getTitle() = context.getString(R.string.donate_title)
 
     override fun onClick() {
+        val installer = try {
+            val packageName = context.packageName
+            val pm = context.packageManager
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                pm.getInstallSourceInfo(packageName).installingPackageName ?: ""
+            } else {
+                @Suppress("DEPRECATION")
+                pm.getInstallerPackageName(packageName) ?: ""
+            }
+        } catch (_: Throwable) {
+            ""
+        }
+
         /* Google Play Store forbids links to our donation page. */
-        if (BuildConfig.IS_GOOGLE_PLAY) {
+        if (installer == "com.android.vending") {
             MaterialAlertDialogBuilder(context)
                 .setTitle(R.string.donate_title)
                 .setMessage(R.string.donate_google_play_disappointment)