diff --git a/app/src/main/java/com/trianguloy/urlchecker/activities/BackupActivity.java b/app/src/main/java/com/trianguloy/urlchecker/activities/BackupActivity.java
index 002ca21..f1be11f 100644
--- a/app/src/main/java/com/trianguloy/urlchecker/activities/BackupActivity.java
+++ b/app/src/main/java/com/trianguloy/urlchecker/activities/BackupActivity.java
@@ -338,8 +338,7 @@ public class BackupActivity extends Activity {
                     default -> AndroidUtils.assertError("Unknown type: " + type);
                 }
             } catch (JSONException e) {
-                AndroidUtils.assertError("Error when restoring key: " + key);
-                e.printStackTrace();
+                AndroidUtils.assertError("Error when restoring key: " + key, e);
             }
         }
 
diff --git a/app/src/main/java/com/trianguloy/urlchecker/dialogs/MainDialog.java b/app/src/main/java/com/trianguloy/urlchecker/dialogs/MainDialog.java
index 5051751..0c134ae 100644
--- a/app/src/main/java/com/trianguloy/urlchecker/dialogs/MainDialog.java
+++ b/app/src/main/java/com/trianguloy/urlchecker/dialogs/MainDialog.java
@@ -92,8 +92,7 @@ public class MainDialog extends Activity {
                 try {
                     module.onPrepareUrl(urlData);
                 } catch (Exception e) {
-                    e.printStackTrace();
-                    AndroidUtils.assertError("Exception in onPrepareUrl for module " + module.getClass().getName());
+                    AndroidUtils.assertError("Exception in onPrepareUrl for module " + module.getClass().getName(), e);
                 }
             }
 
@@ -122,8 +121,7 @@ public class MainDialog extends Activity {
                         continue main_loop;
                     }
                 } catch (Exception e) {
-                    e.printStackTrace();
-                    AndroidUtils.assertError("Exception in onModifyUrl for module " + module.getClass().getName());
+                    AndroidUtils.assertError("Exception in onModifyUrl for module " + module.getClass().getName(), e);
                 }
             }
 
@@ -134,8 +132,7 @@ public class MainDialog extends Activity {
                 try {
                     module.onDisplayUrl(urlData);
                 } catch (Exception e) {
-                    e.printStackTrace();
-                    AndroidUtils.assertError("Exception in onDisplayUrl for module " + module.getClass().getName());
+                    AndroidUtils.assertError("Exception in onDisplayUrl for module " + module.getClass().getName(), e);
                 }
             }
 
@@ -146,8 +143,7 @@ public class MainDialog extends Activity {
                 try {
                     module.onFinishUrl(urlData);
                 } catch (Exception e) {
-                    e.printStackTrace();
-                    AndroidUtils.assertError("Exception in onFinishUrl for module " + module.getClass().getName());
+                    AndroidUtils.assertError("Exception in onFinishUrl for module " + module.getClass().getName(), e);
                 }
             }
 
@@ -312,8 +308,7 @@ public class MainDialog extends Activity {
             module.onInitialize(child);
         } catch (Exception e) {
             // can't add module
-            e.printStackTrace();
-            AndroidUtils.assertError("Exception in initializeModule for module " + moduleData.getId());
+            AndroidUtils.assertError("Exception in initializeModule for module " + moduleData.getId(), e);
         }
     }
 
diff --git a/app/src/main/java/com/trianguloy/urlchecker/modules/companions/ClearUrlCatalog.java b/app/src/main/java/com/trianguloy/urlchecker/modules/companions/ClearUrlCatalog.java
index 2654739..aa6595d 100644
--- a/app/src/main/java/com/trianguloy/urlchecker/modules/companions/ClearUrlCatalog.java
+++ b/app/src/main/java/com/trianguloy/urlchecker/modules/companions/ClearUrlCatalog.java
@@ -114,7 +114,7 @@ public class ClearUrlCatalog {
             return rules;
         } catch (JSONException e) {
             // invalid catalog, return empty
-            AndroidUtils.assertError(e.getMessage());
+            AndroidUtils.assertError(e.getMessage(), e);
             return Collections.emptyList();
         }
     }
diff --git a/app/src/main/java/com/trianguloy/urlchecker/utilities/methods/AndroidUtils.java b/app/src/main/java/com/trianguloy/urlchecker/utilities/methods/AndroidUtils.java
index 38b3b1e..7284819 100644
--- a/app/src/main/java/com/trianguloy/urlchecker/utilities/methods/AndroidUtils.java
+++ b/app/src/main/java/com/trianguloy/urlchecker/utilities/methods/AndroidUtils.java
@@ -43,14 +43,17 @@ public interface AndroidUtils {
         view.setAlpha(enabled ? 1f : 0.35f);
     }
 
-    /**
-     * In debug mode, throws an AssertionError, in production just logs it and continues.
-     */
+    /** In debug mode, throws an AssertionError, in production just logs it and continues. */
     static void assertError(String detailMessage) {
-        Log.d("ASSERT_ERROR", detailMessage);
+        assertError(detailMessage, null);
+    }
+
+    /** In debug mode, throws an AssertionError, in production just logs it and continues. */
+    static void assertError(String detailMessage, Throwable cause) {
+        Log.d("ASSERT_ERROR", detailMessage, cause);
         if (BuildConfig.DEBUG) {
             // in debug mode, throw exception
-            throw new AssertionError(detailMessage);
+            throw new AssertionError(detailMessage, cause);
         }
         // non-debug, just discard
     }
@@ -172,8 +175,11 @@ public interface AndroidUtils {
     static void longTapForDescription(View view) {
         view.setOnLongClickListener(v -> {
             var contentDescription = v.getContentDescription();
-            if (contentDescription == null) AndroidUtils.assertError("No content description for view " + view);
-            Toast.makeText(v.getContext(), contentDescription, Toast.LENGTH_SHORT).show();
+            if (contentDescription == null) {
+                AndroidUtils.assertError("No content description for view " + view);
+            } else {
+                Toast.makeText(v.getContext(), contentDescription, Toast.LENGTH_SHORT).show();
+            }
             return true;
         });
     }