diff --git a/src/substitutionstable.cpp b/src/substitutionstable.cpp
index ab450e8..89fbf31 100644
--- a/src/substitutionstable.cpp
+++ b/src/substitutionstable.cpp
@@ -82,8 +82,7 @@ Substitutions SubstitutionsTable::substitutions() const
   Substitutions result;
   for (auto row = 0, end = rowCount(); row < end; ++row) {
     const auto pair = at(row);
-    SOFT_ASSERT(!pair.first.isEmpty(), continue);
-    if (pair.second.source.isEmpty())
+    if (pair.first.isEmpty() || pair.second.source.isEmpty())
       continue;
     result.emplace(pair.first, pair.second);
   }
@@ -124,6 +123,9 @@ std::pair<LanguageId, Substitution> SubstitutionsTable::at(int row) const
   auto combo = static_cast<QComboBox *>(cellWidget(row, int(E::Language)));
   SOFT_ASSERT(combo, return {});
 
+  if (combo->currentText().isEmpty())
+    return {};
+
   const auto langId = LanguageCodes::idForName(combo->currentText());
   SOFT_ASSERT(!langId.isEmpty(), return {});
 
diff --git a/src/translate/translator.cpp b/src/translate/translator.cpp
index 7b987db..c61257b 100644
--- a/src/translate/translator.cpp
+++ b/src/translate/translator.cpp
@@ -123,11 +123,16 @@ void Translator::updateSettings()
   }
   tabs_->blockSignals(false);
 
+  if (settings_.translators.empty()) {
+    manager_.fatalError(tr("No translators selected"));
+    return;
+  }
+
   const auto loaded =
       loadScripts(settings_.translatorsDir, settings_.translators);
   if (loaded.empty()) {
     manager_.fatalError(
-        tr("No translators loaded from %1 (named %2)")
+        tr("No translators loaded from %1 (%2)")
             .arg(settings_.translatorsDir, settings_.translators.join(", ")));
     return;
   }