diff --git a/renderdocui/Windows/ShaderViewer.cs b/renderdocui/Windows/ShaderViewer.cs
index fe5effa90..2e489e178 100644
--- a/renderdocui/Windows/ShaderViewer.cs
+++ b/renderdocui/Windows/ShaderViewer.cs
@@ -581,7 +581,7 @@ namespace renderdocui.Windows
 
             string word = scintilla1.GetWordFromPosition(scintilla1.CurrentPos);
 
-            var match = Regex.Match(word, "^[rvo][0-9]+$");
+            var match = Regex.Match(word, "^[rvog][0-9]+$");
 
             foreach (ScintillaNET.Range r in m_PrevRanges)
             {