diff --git a/jdmainct.c b/jdmainct.c
index 11e41b2..c3f5b9e 100644
--- a/jdmainct.c
+++ b/jdmainct.c
@@ -13,11 +13,13 @@
  * supplies the equivalent of the main buffer in that case.
  */
 
+/* suppress the warnings about using main for the variable names */
+#define main jpegMain
+
 #define JPEG_INTERNALS
 #include "jinclude.h"
 #include "jpeglib.h"
 
-
 /*
  * In the current system design, the main buffer need never be a full-image
  * buffer; any full-height buffers will be found inside the coefficient or