diff --git a/src/Ryujinx.HLE/FileSystem/ContentMetaData.cs b/src/Ryujinx.HLE/FileSystem/ContentMetaData.cs
index aebcf7988..8cdb889be 100644
--- a/src/Ryujinx.HLE/FileSystem/ContentMetaData.cs
+++ b/src/Ryujinx.HLE/FileSystem/ContentMetaData.cs
@@ -46,7 +46,7 @@ namespace Ryujinx.HLE.FileSystem
                     continue;
                 }
 
-                string ncaId = BitConverter.ToString(entry.NcaId).Replace("-", null).ToLower();
+                string ncaId = Convert.ToHexStringLower(entry.NcaId).Replace("-", null);
                 Nca nca = _pfs.GetNca(keySet, $"/{ncaId}.nca");
 
                 if (nca.GetProgramIndex() == programIndex)
diff --git a/src/Ryujinx.UI.Common/App/ApplicationData.cs b/src/Ryujinx.UI.Common/App/ApplicationData.cs
index 7aa0dccaa..151220f39 100644
--- a/src/Ryujinx.UI.Common/App/ApplicationData.cs
+++ b/src/Ryujinx.UI.Common/App/ApplicationData.cs
@@ -164,7 +164,7 @@ namespace Ryujinx.UI.App.Common
             NsoReader reader = new();
             reader.Initialize(nsoFile.Release().AsStorage().AsFile(OpenMode.Read)).ThrowIfFailure();
 
-            return BitConverter.ToString(reader.Header.ModuleId.ItemsRo.ToArray()).Replace("-", string.Empty).ToUpper()[..16];
+            return Convert.ToHexString(reader.Header.ModuleId.ItemsRo.ToArray()).Replace("-", string.Empty).ToUpper()[..16];
         }
     }
 }