diff --git a/app/src/main/java/eu/faircode/email/AdapterMessage.java b/app/src/main/java/eu/faircode/email/AdapterMessage.java
index 604c87b07a..0d15abfb7e 100644
--- a/app/src/main/java/eu/faircode/email/AdapterMessage.java
+++ b/app/src/main/java/eu/faircode/email/AdapterMessage.java
@@ -3031,7 +3031,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     final int zoom = args.getInt("zoom");
                     final float scale = args.getFloat("scale");
                     final boolean download_plain = prefs.getBoolean("download_plain", false);
-                    final boolean json_ld = prefs.getBoolean("json_ld", true);
+                    final boolean json_ld = prefs.getBoolean("json_ld", !Helper.isPlayStoreInstall());
 
                     if (message == null || !message.content)
                         return null;
diff --git a/app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java b/app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java
index 63ed51ade6..ad1c114f9d 100644
--- a/app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java
+++ b/app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java
@@ -2374,7 +2374,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             swEasyCorrect.setChecked(prefs.getBoolean("easy_correct", false));
             swInfra.setChecked(prefs.getBoolean("infra", false));
             swTldFlags.setChecked(prefs.getBoolean("tld_flags", false));
-            swJsonLd.setChecked(prefs.getBoolean("json_ld", true));
+            swJsonLd.setChecked(prefs.getBoolean("json_ld", !Helper.isPlayStoreInstall()));
             swDupMsgId.setChecked(prefs.getBoolean("dup_msgids", false));
             swThreadByRef.setChecked(prefs.getBoolean("thread_byref", true));
             swMdn.setChecked(prefs.getBoolean("mdn", swExperiments.isChecked()));