diff --git a/dlls/d3dxof/d3dxof.c b/dlls/d3dxof/d3dxof.c
index f7c87386498..69060ed337a 100644
--- a/dlls/d3dxof/d3dxof.c
+++ b/dlls/d3dxof/d3dxof.c
@@ -81,7 +81,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(d3dxof);
 #define CLSIDFMT "<%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X>"
 
 #define MAX_INPUT_SIZE 2000000
-#define MAX_DATA_SIZE 200000
+#define MAX_DATA_SIZE 400000
 
 static const struct IDirectXFileVtbl IDirectXFile_Vtbl;
 static const struct IDirectXFileBinaryVtbl IDirectXFileBinary_Vtbl;
diff --git a/dlls/d3dxof/d3dxof_private.h b/dlls/d3dxof/d3dxof_private.h
index b2f5b4160ba..6feeb1303e3 100644
--- a/dlls/d3dxof/d3dxof_private.h
+++ b/dlls/d3dxof/d3dxof_private.h
@@ -36,10 +36,10 @@
 #define MAX_NAME_LEN 32
 #define MAX_ARRAY_DIM 4
 #define MAX_MEMBERS 50
-#define MAX_CHILDS 20
+#define MAX_CHILDS 100
 #define MAX_TEMPLATES 200
 #define MAX_OBJECTS 500
-#define MAX_SUBOBJECTS 120
+#define MAX_SUBOBJECTS 500
 #define MAX_STRINGS_BUFFER 200
 
 typedef struct {