1 files changed, 3 insertions, 3 deletions

diff --git a/deflate.c b/deflate.c
index aeabbae..7a9e05e 100644
--- a/deflate.c
+++ b/deflate.c
@@ -92,7 +92,7 @@ local int read_buf        OF((z_streamp strm, Bytef *buf, unsigned size));
 local uInt longest_match  OF((deflate_state *s, IPos cur_match));
 #endif
 
-#ifdef DEBUG
+#ifdef ZLIB_DEBUG
 local  void check_match OF((deflate_state *s, IPos start, IPos match,
                             int length));
 #endif
@@ -1349,7 +1349,7 @@ local uInt longest_match(s, cur_match)
 
 #endif /* FASTEST */
 
-#ifdef DEBUG
+#ifdef ZLIB_DEBUG
 /* ===========================================================================
  * Check that the match at match_start is indeed a match.
  */
@@ -1375,7 +1375,7 @@ local void check_match(s, start, match, length)
 }
 #else
 #  define check_match(s, start, match, length)
-#endif /* DEBUG */
+#endif /* ZLIB_DEBUG */
 
 /* ===========================================================================
  * Fill the window when the lookahead becomes insufficient.