diff --git a/src/translate/translationservice.cpp b/src/translate/translationservice.cpp
index 204abac..5a069fd 100644
--- a/src/translate/translationservice.cpp
+++ b/src/translate/translationservice.cpp
@@ -255,6 +255,12 @@ void TranslationService::applyGlossaryEdits(const GlossaryStore::Glossary &previ
     if (m_lastTranslationPath.isEmpty() || !QFileInfo::exists(m_lastTranslationPath)) {
         return;
     }
+    // A translation the user has edited since is theirs; leave it alone.
+    const QString registryFile = TranslationStore::registryFile();
+    TranslationStore::Registry registry = TranslationStore::load(registryFile);
+    if (!TranslationStore::isOwned(registry, m_lastTranslationPath)) {
+        return;
+    }
     QFile file(m_lastTranslationPath);
     if (!file.open(QIODevice::ReadOnly)) {
         return;
@@ -307,8 +313,6 @@ void TranslationService::applyGlossaryEdits(const GlossaryStore::Glossary &previ
         return;
     }
     // Still QtPotato's file, so a later translation may replace it.
-    const QString registryFile = TranslationStore::registryFile();
-    TranslationStore::Registry registry = TranslationStore::load(registryFile);
     TranslationStore::recordRewrite(registry, m_lastTranslationPath, data);
     TranslationStore::save(registryFile, registry);
     Q_EMIT translated(QUrl::fromLocalFile(m_lastTranslationPath), true);