diff --git a/config.h.win32 b/config.h.win32
index de6bc3c..e721aaf 100644
--- a/config.h.win32
+++ b/config.h.win32
@@ -91,7 +91,7 @@
 #define HAVE_STRCASECMP 1
 
 /* Define to 1 if you have the `strdup' function. */
-#define HAVE_STRDUP 1
+#define HAVE_STRDUP 0
 
 /* Define to 1 if you have the `strerror' function. */
 #define HAVE_STRERROR 1