diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 5903c32b6..4a87af0e9 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2003-11-22  Christopher Faylor  <cgf@redhat.com>
+
+	* dcrt0.cc (check_sanity_and_sync): Correct api major version check so
+	that newer dlls will work with older apps but not vice versa.
+
 2003-11-21  Christopher Faylor  <cgf@redhat.com>
 
 	* sem.cc: Always include signal.h to handle SIGSYS raise when
diff --git a/winsup/cygwin/dcrt0.cc b/winsup/cygwin/dcrt0.cc
index 693868cf7..2418e8bb9 100644
--- a/winsup/cygwin/dcrt0.cc
+++ b/winsup/cygwin/dcrt0.cc
@@ -436,8 +436,8 @@ check_sanity_and_sync (per_process *p)
 	       p->magic_biscuit, SIZEOF_PER_PROCESS);
 
   /* Complain if incompatible API changes made */
-  if (p->api_major != cygwin_version.api_major)
-    api_fatal ("cygwin DLL and APP are out of sync -- API version mismatch %d < %d",
+  if (p->api_major > cygwin_version.api_major)
+    api_fatal ("cygwin DLL and APP are out of sync -- API version mismatch %d > %d",
 	       p->api_major, cygwin_version.api_major);
 
   if (CYGWIN_VERSION_DLL_MAKE_COMBINED (p->dll_major, p->dll_minor) <=