diff --git a/stepmania/src/StepMania.cpp b/stepmania/src/StepMania.cpp
index e9574698d9..4bf0959dda 100644
--- a/stepmania/src/StepMania.cpp
+++ b/stepmania/src/StepMania.cpp
@@ -337,8 +337,8 @@ static void CheckSettings()
 
 struct VideoCardDefaults
 {
-	char *szDriverRegex;
-	char *szVideoRenderers;
+	const char *szDriverRegex;
+	const char *szVideoRenderers;
 	int iWidth;
 	int iHeight;
 	int iDisplayColor;