diff --git a/stepmania/src/disasm/mapconv.cpp b/stepmania/src/disasm/mapconv.cpp
index 681a5a07ee..2377d23ebf 100644
--- a/stepmania/src/disasm/mapconv.cpp
+++ b/stepmania/src/disasm/mapconv.cpp
@@ -22,8 +22,8 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define MAX_CNAMBUF		(0x100000)
-#define MAX_FNAMBUF		(0x20000)
+#define MAX_CNAMBUF		(0x20000)
+#define MAX_FNAMBUF		(0x100000)
 #define MAX_SEGMENTS	(64)
 #define MAX_GROUPS		(64)