diff --git a/include/curl/curl.h b/include/curl/curl.h
index 86692bbb7..24b9195de 100644
--- a/include/curl/curl.h
+++ b/include/curl/curl.h
@@ -136,18 +136,22 @@ struct curl_httppost {
                                        file, this link should link to following
                                        files */
   long flags;                       /* as defined below */
-#define HTTPPOST_FILENAME (1<<0)    /* specified content is a file name */
-#define HTTPPOST_READFILE (1<<1)    /* specified content is a file name */
-#define HTTPPOST_PTRNAME (1<<2)     /* name is only stored pointer
-                                       do not free in formfree */
-#define HTTPPOST_PTRCONTENTS (1<<3) /* contents is only stored pointer
-                                       do not free in formfree */
-#define HTTPPOST_BUFFER (1<<4)      /* upload file from buffer */
-#define HTTPPOST_PTRBUFFER (1<<5)   /* upload file from pointer contents */
-#define HTTPPOST_CALLBACK (1<<6)    /* upload file contents by using the
-                                       regular read callback to get the data
-                                       and pass the given pointer as custom
-                                       pointer */
+
+/* specified content is a file name */
+#define CURL_HTTPPOST_FILENAME (1<<0)
+/* specified content is a file name */
+#define CURL_HTTPPOST_READFILE (1<<1)
+/* name is only stored pointer do not free in formfree */
+#define CURL_HTTPPOST_PTRNAME (1<<2)
+/* contents is only stored pointer do not free in formfree */
+#define CURL_HTTPPOST_PTRCONTENTS (1<<3)
+/* upload file from buffer */
+#define CURL_HTTPPOST_BUFFER (1<<4)
+/* upload file from pointer contents */
+#define CURL_HTTPPOST_PTRBUFFER (1<<5)
+/* upload file contents by using the regular read callback to get the data and
+   pass the given pointer as custom pointer */
+#define CURL_HTTPPOST_CALLBACK (1<<6)
 
   char *showfilename;               /* The file name to show. If not set, the
                                        actual file name will be used (if this
diff --git a/lib/formdata.c b/lib/formdata.c
index 66449b982..a4e6ab35d 100644
--- a/lib/formdata.c
+++ b/lib/formdata.c
@@ -57,6 +57,14 @@ static char *formboundary(struct SessionHandle *data);
 #define FORM_FILE_SEPARATOR ','
 #define FORM_TYPE_SEPARATOR ';'
 
+#define HTTPPOST_PTRNAME CURL_HTTPPOST_PTRNAME
+#define HTTPPOST_FILENAME CURL_HTTPPOST_FILENAME
+#define HTTPPOST_PTRCONTENTS CURL_HTTPPOST_PTRCONTENTS
+#define HTTPPOST_READFILE CURL_HTTPPOST_READFILE
+#define HTTPPOST_PTRBUFFER CURL_HTTPPOST_PTRBUFFER
+#define HTTPPOST_CALLBACK CURL_HTTPPOST_CALLBACK
+#define HTTPPOST_BUFFER CURL_HTTPPOST_BUFFER
+
 /***************************************************************************
  *
  * AddHttpPost()
diff --git a/src/tool_setopt.c b/src/tool_setopt.c
index 2ed68e5eb..e11f527ac 100644
--- a/src/tool_setopt.c
+++ b/src/tool_setopt.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -392,11 +392,11 @@ CURLcode tool_setopt_httppost(CURL *curl, struct GlobalConfig *config,
           ret = CURLE_OUT_OF_MEMORY;
           goto nomem;
         }
-        if(pp->flags & HTTPPOST_FILENAME) {
+        if(pp->flags & CURL_HTTPPOST_FILENAME) {
           /* file upload as for -F @filename */
           DATA1("             CURLFORM_FILE, \"%s\",", escaped);
         }
-        else if(pp->flags & HTTPPOST_READFILE) {
+        else if(pp->flags & CURL_HTTPPOST_READFILE) {
           /* content from file as for -F <filename */
           DATA1("             CURLFORM_FILECONTENT, \"%s\",", escaped);
         }