diff --git a/app/src/main/java/eu/faircode/email/ActivityBase.java b/app/src/main/java/eu/faircode/email/ActivityBase.java
index 3a222664e2..a025e966ac 100644
--- a/app/src/main/java/eu/faircode/email/ActivityBase.java
+++ b/app/src/main/java/eu/faircode/email/ActivityBase.java
@@ -388,6 +388,9 @@ abstract class ActivityBase extends AppCompatActivity implements SharedPreferenc
         } catch (ActivityNotFoundException ex) {
             Log.w(ex);
             ToastEx.makeText(this, getString(R.string.title_no_viewer, intent), Toast.LENGTH_LONG).show();
+        } catch (Throwable ex) {
+            Log.e(ex);
+            ToastEx.makeText(this, Log.formatThrowable(ex), Toast.LENGTH_LONG).show();
         }
     }
 
@@ -398,6 +401,9 @@ abstract class ActivityBase extends AppCompatActivity implements SharedPreferenc
         } catch (ActivityNotFoundException ex) {
             Log.w(ex);
             ToastEx.makeText(this, getString(R.string.title_no_viewer, intent), Toast.LENGTH_LONG).show();
+        } catch (Throwable ex) {
+            Log.e(ex);
+            ToastEx.makeText(this, Log.formatThrowable(ex), Toast.LENGTH_LONG).show();
         }
     }
 
diff --git a/app/src/main/java/eu/faircode/email/FragmentBase.java b/app/src/main/java/eu/faircode/email/FragmentBase.java
index 2953ffe926..942020a9b2 100644
--- a/app/src/main/java/eu/faircode/email/FragmentBase.java
+++ b/app/src/main/java/eu/faircode/email/FragmentBase.java
@@ -138,6 +138,9 @@ public class FragmentBase extends Fragment {
         } catch (ActivityNotFoundException ex) {
             Log.w(ex);
             ToastEx.makeText(getContext(), getString(R.string.title_no_viewer, intent), Toast.LENGTH_LONG).show();
+        } catch (Throwable ex) {
+            Log.e(ex);
+            ToastEx.makeText(getContext(), Log.formatThrowable(ex), Toast.LENGTH_LONG).show();
         }
     }
 
@@ -148,6 +151,9 @@ public class FragmentBase extends Fragment {
         } catch (ActivityNotFoundException ex) {
             Log.w(ex);
             ToastEx.makeText(getContext(), getString(R.string.title_no_viewer, intent), Toast.LENGTH_LONG).show();
+        } catch (Throwable ex) {
+            Log.e(ex);
+            ToastEx.makeText(getContext(), Log.formatThrowable(ex), Toast.LENGTH_LONG).show();
         }
     }