diff --git a/Modules/pyexpat.c b/Modules/pyexpat.c
index 69105bdf457..ff104f67f26 100644
--- a/Modules/pyexpat.c
+++ b/Modules/pyexpat.c
@@ -8,7 +8,7 @@
 #endif
 
 #ifdef XML_MAJOR_VERSION
-#define EXPAT_VERSION (0x10000*XML_MAJOR_VERSION+0x100*XML_MINOR_VERSION+XML_MINOR_VERSION)
+#define EXPAT_VERSION (0x10000*XML_MAJOR_VERSION+0x100*XML_MINOR_VERSION+XML_MICRO_VERSION)
 #else
 #ifndef EXPAT_VERSION
 /* Assume Expat 1.1 unless told otherwise */