diff --git a/tools/checkwps/checkwps.c b/tools/checkwps/checkwps.c
index ec0262bfe7..bfcb99f17e 100644
--- a/tools/checkwps/checkwps.c
+++ b/tools/checkwps/checkwps.c
@@ -245,6 +245,9 @@ struct font* font_get(int font)
 }
 #endif
 
+/* This is no longer defined in ROCKBOX builds so just use a huge value */
+#define SKIN_BUFFER_SIZE (200*1024)
+
 int main(int argc, char **argv)
 {
     int res;