diff --git a/qrenderdoc/Code/Interface/ShaderProcessingTool.cpp b/qrenderdoc/Code/Interface/ShaderProcessingTool.cpp
index d9e24f374..823bb652a 100644
--- a/qrenderdoc/Code/Interface/ShaderProcessingTool.cpp
+++ b/qrenderdoc/Code/Interface/ShaderProcessingTool.cpp
@@ -158,7 +158,7 @@ static ShaderToolOutput RunTool(const ShaderProcessingTool &tool, QWidget *windo
     process.moveToThread(mainThread);
   });
 
-  thread->setName(lit("ShaderProcessingTool %s").arg(tool.name));
+  thread->setName(lit("ShaderProcessingTool %1").arg(tool.name));
   thread->moveObjectToThread(&process);
 
   thread->start();