diff --git a/src/webui/webapplication.cpp b/src/webui/webapplication.cpp
index d55464858..7bd56e753 100644
--- a/src/webui/webapplication.cpp
+++ b/src/webui/webapplication.cpp
@@ -280,7 +280,6 @@ void WebApplication::doProcessRequest()
             {"query/preferences", {"app", "preferences"}},
             {"command/setPreferences", {"app", "setPreferences"}},
             {"command/getSavePath", {"app", "defaultSavePath"}},
-            {"version/qbittorrent", {"app", "version"}},
 
             {"query/getLog", {"log", "main"}},
             {"query/getPeerLog", {"log", "peers"}},
@@ -343,7 +342,8 @@ void WebApplication::doProcessRequest()
             (*params)["deleteFiles"] = "true";
 
         const QString hash {match.captured(QLatin1String("hash"))};
-        (*params)[QLatin1String("hash")] = hash;
+        if (!hash.isEmpty())
+            (*params)[QLatin1String("hash")] = hash;
 
         return true;
     };
@@ -354,12 +354,17 @@ void WebApplication::doProcessRequest()
     APIController *controller = m_apiControllers.value(scope);
     if (!controller) {
         if (request().path == QLatin1String("/version/api")) {
-            print(QString(COMPAT_API_VERSION), Http::CONTENT_TYPE_TXT);
+            print(QString::number(COMPAT_API_VERSION), Http::CONTENT_TYPE_TXT);
             return;
         }
 
         if (request().path == QLatin1String("/version/api_min")) {
-            print(QString(COMPAT_API_VERSION_MIN), Http::CONTENT_TYPE_TXT);
+            print(QString::number(COMPAT_API_VERSION_MIN), Http::CONTENT_TYPE_TXT);
+            return;
+        }
+
+        if (request().path == QLatin1String("/version/qbittorrent")) {
+            print(QString(QBT_VERSION), Http::CONTENT_TYPE_TXT);
             return;
         }
 
diff --git a/src/webui/webapplication.h b/src/webui/webapplication.h
index 2d098f6cb..73a36a07c 100644
--- a/src/webui/webapplication.h
+++ b/src/webui/webapplication.h
@@ -126,7 +126,7 @@ private:
     Http::Environment m_env;
 
     const QRegularExpression m_apiPathPattern {(QLatin1String("^/api/v2/(?<scope>[A-Za-z_][A-Za-z_0-9]*)/(?<action>[A-Za-z_][A-Za-z_0-9]*)$"))};
-    const QRegularExpression m_apiLegacyPathPattern {QLatin1String("^/(?<action>((sync|control|query)/[A-Za-z_][A-Za-z_0-9]*|login|logout))(/(?<hash>[^/]+))?$")};
+    const QRegularExpression m_apiLegacyPathPattern {QLatin1String("^/(?<action>((sync|command|query)/[A-Za-z_][A-Za-z_0-9]*|login|logout))(/(?<hash>[^/]+))?$")};
 
     QHash<QString, APIController *> m_apiControllers;
     QSet<QString> m_publicAPIs;