diff --git a/configure b/configure
index 2b589c82..449da6de 100755
--- a/configure
+++ b/configure
@@ -19712,7 +19712,7 @@ fi
 
 if test "$HAVE_CHUNKY_STRIP_READ" = "yes" ; then
 
-$as_echo "#define CHUNKY_STRIP_READ 1" >>confdefs.h
+$as_echo "#define CHUNKY_STRIP_READ_SUPPORT 1" >>confdefs.h
 
 
 fi
diff --git a/configure.ac b/configure.ac
index d39aa377..c8140868 100644
--- a/configure.ac
+++ b/configure.ac
@@ -866,7 +866,7 @@ AC_ARG_ENABLE(chunky-strip-read,
 	      [HAVE_CHUNKY_STRIP_READ=$enableval], [HAVE_CHUNKY_STRIP_READ=no])
 
 if test "$HAVE_CHUNKY_STRIP_READ" = "yes" ; then
-  AC_DEFINE(CHUNKY_STRIP_READ,1,[enable partial strip reading for large strips (experimental)])
+  AC_DEFINE(CHUNKY_STRIP_READ_SUPPORT,1,[enable partial strip reading for large strips (experimental)])
 
 fi
 
diff --git a/libtiff/tif_config.h.in b/libtiff/tif_config.h.in
index d13ece67..dfd6e38a 100644
--- a/libtiff/tif_config.h.in
+++ b/libtiff/tif_config.h.in
@@ -11,7 +11,7 @@
 #undef CHECK_JPEG_YCBCR_SUBSAMPLING
 
 /* enable partial strip reading for large strips (experimental) */
-#undef CHUNKY_STRIP_READ
+#undef CHUNKY_STRIP_READ_SUPPORT
 
 /* Support C++ stream API (requires C++ compiler) */
 #undef CXX_SUPPORT