diff --git a/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs b/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs
index d9ecdd45da..f8eff3f4d0 100644
--- a/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs
+++ b/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs
@@ -1075,7 +1075,7 @@ namespace PowerLauncher.ViewModel
             else
             {
                 // Using Ordinal this is internal
-                return string.IsNullOrEmpty(queryText) || autoCompleteText.IndexOf(queryText, StringComparison.Ordinal) != 0;
+                return string.IsNullOrEmpty(queryText) || !autoCompleteText.StartsWith(queryText, StringComparison.Ordinal);
             }
         }
 
@@ -1086,7 +1086,7 @@ namespace PowerLauncher.ViewModel
                 if (index == 0)
                 {
                     // Using OrdinalIgnoreCase because we want the characters to be exact in autocomplete text and the query
-                    if (input.IndexOf(query, StringComparison.OrdinalIgnoreCase) == 0)
+                    if (input.StartsWith(query, StringComparison.OrdinalIgnoreCase))
                     {
                         // Use the same case as the input query for the matched portion of the string
                         return string.Concat(query, input.AsSpan(query.Length));
@@ -1104,7 +1104,7 @@ namespace PowerLauncher.ViewModel
                 if (index == 0 && !string.IsNullOrEmpty(query))
                 {
                     // Using OrdinalIgnoreCase since this is internal
-                    if (input.IndexOf(query, StringComparison.OrdinalIgnoreCase) == 0)
+                    if (input.StartsWith(query, StringComparison.OrdinalIgnoreCase))
                     {
                         return string.Concat(query, input.AsSpan(query.Length));
                     }