diff --git a/include/configwin32.h b/include/configwin32.h
index ed52a48b..094e7552 100644
--- a/include/configwin32.h
+++ b/include/configwin32.h
@@ -11,6 +11,7 @@
 
 /* 'Enable Debugging' */
 /* #undef DEBUG */
+#define USE_PERL
 #define DEBUG
 /* Set to explicitly specify we don't want to use thread-safe functions in
    curl */