diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index d550e13136ac9..debab9e2a24f1 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -680,7 +680,7 @@ int GuiMain(int argc, char* argv[])
     }
     // Validate/set custom css directory
     if (gArgs.IsArgSet("-custom-css-dir")) {
-        fs::path customDir = fs::PathFromString(gArgs.GetArg("-custom-css-dir", ""));
+        fs::path customDir = gArgs.GetPathArg("-custom-css-dir");
         QString strCustomDir = GUIUtil::PathToQString(customDir);
         std::vector<QString> vecRequiredFiles = GUIUtil::listStyleSheets();
         QString strFile;
diff --git a/src/util/system.cpp b/src/util/system.cpp
index 1125a5f5637c1..a0261103c42a3 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -481,7 +481,7 @@ fs::path ArgsManager::GetBackupsDirPath()
     if (!IsArgSet("-walletbackupsdir"))
         return GetDataDirNet() / "backups";
 
-    return fs::absolute(fs::PathFromString(GetArg("-walletbackupsdir", "")));
+    return fs::absolute(GetPathArg("-walletbackupsdir"));
 }
 
 void ArgsManager::ClearPathCache()