diff --git a/cf/make-proto.pl b/cf/make-proto.pl
index f62fb4cd0..04733e128 100644
--- a/cf/make-proto.pl
+++ b/cf/make-proto.pl
@@ -311,7 +311,7 @@ extern \"C\" {
 if ($opt_E) {
     $public_h_header .= "#ifndef $opt_E
 #if defined(_WIN32)
-#define ${opt_E}_FUNCTION _stdcall __declspec(dllimport)
+#define ${opt_E}_FUNCTION __stdcall __declspec(dllimport)
 #define ${opt_E}_VARIABLE __declspec(dllimport)
 #else
 #define ${opt_E}_FUNCTION
@@ -323,7 +323,7 @@ if ($opt_E) {
     
     $private_h_header .= "#ifndef $opt_E
 #if defined(_WIN32)
-#define ${opt_E}_FUNCTION _stdcall __declspec(dllimport)
+#define ${opt_E}_FUNCTION __stdcall __declspec(dllimport)
 #define ${opt_E}_VARIABLE __declspec(dllimport)
 #else
 #define ${opt_E}_FUNCTION