diff --git a/addons/resource.language.en_gb/resources/strings.po b/addons/resource.language.en_gb/resources/strings.po
index f603773118cb2..57c44ea9760ad 100644
--- a/addons/resource.language.en_gb/resources/strings.po
+++ b/addons/resource.language.en_gb/resources/strings.po
@@ -23950,7 +23950,19 @@ msgctxt "#40034"
 msgid "The default version of a movie with multiple versions cannot be added as an extra to another movie. Please move or remove the other versions first."
 msgstr ""
 
-#empty strings with id 40035 to 40199
+#. Addition of new version: the user picked an extra of another movie. Ask for confirmation.
+#: xbmc/video/dialogs/GUIDialogVideoManagerVersions.cpp
+msgctxt "#40035"
+msgid "You are about to convert a movie extra into a movie version. Are you sure?"
+msgstr ""
+
+#. Addition of new version: the user picked an extra of another movie. Ask for confirmation.
+#: xbmc/video/dialogs/GUIDialogVideoManagerVersions.cpp
+msgctxt "#40036"
+msgid "You are about to convert a movie version into a movie extra. Are you sure?"
+msgstr ""
+
+#empty strings with id 40037 to 40199
 
 #. Select default video version setting
 #: system/settings/settings.xml
diff --git a/xbmc/video/dialogs/GUIDialogVideoManagerExtras.cpp b/xbmc/video/dialogs/GUIDialogVideoManagerExtras.cpp
index 6ee1374615d1c..027f9d3f1b9f7 100644
--- a/xbmc/video/dialogs/GUIDialogVideoManagerExtras.cpp
+++ b/xbmc/video/dialogs/GUIDialogVideoManagerExtras.cpp
@@ -133,6 +133,14 @@ bool CGUIDialogVideoManagerExtras::AddVideoExtra()
 
       // The video is an asset of another movie
 
+      // The video is a version, ask for confirmation
+      if (newAsset.m_assetType == VideoAssetType::VERSION &&
+          !CGUIDialogYesNo::ShowAndGetInput(CVariant{40015},
+                                            StringUtils::Format(g_localizeStrings.Get(40036))))
+      {
+        return false;
+      }
+
       std::string videoTitle;
       if (newAsset.m_mediaType == MediaTypeMovie)
       {
diff --git a/xbmc/video/dialogs/GUIDialogVideoManagerVersions.cpp b/xbmc/video/dialogs/GUIDialogVideoManagerVersions.cpp
index 7fbe389aa94b0..1b8290be94649 100644
--- a/xbmc/video/dialogs/GUIDialogVideoManagerVersions.cpp
+++ b/xbmc/video/dialogs/GUIDialogVideoManagerVersions.cpp
@@ -500,6 +500,14 @@ bool CGUIDialogVideoManagerVersions::AddVideoVersionFilePicker()
 
       // The video is an asset of another movie
 
+      // The video is an extra, ask for confirmation
+      if (newAsset.m_assetType == VideoAssetType::EXTRA &&
+          !CGUIDialogYesNo::ShowAndGetInput(CVariant{40014},
+                                            StringUtils::Format(g_localizeStrings.Get(40035))))
+      {
+        return false;
+      }
+
       std::string videoTitle;
       if (newAsset.m_mediaType == MediaTypeMovie)
       {