diff --git a/lib/mime.c b/lib/mime.c
index 6c716e7743325a78b3bcf272b5719f88b1f30d01..1f94afee2c93300a4bf70e743dbd552075cb8b1c 100644
--- a/lib/mime.c
+++ b/lib/mime.c
@@ -1436,35 +1436,36 @@ CURLcode curl_mime_filedata(curl_mimepart *part, const char *filename)
     char *base;
     struct_stat sbuf;
 
-    if(stat(filename, &sbuf))
+    if(stat(filename, &sbuf) || access(filename, R_OK))
       result = CURLE_READ_ERROR;
+
+    part->data = strdup(filename);
+    if (!part->data)
+      result = CURLE_OUT_OF_MEMORY;
+
+    part->datasize = -1;
+    if (!result && S_ISREG(sbuf.st_mode)) {
+      part->datasize = filesize(filename, sbuf);
+      part->seekfunc = mime_file_seek;
+    }
+
+    part->readfunc = mime_file_read;
+    part->freefunc = mime_file_free;
+    part->kind = MIMEKIND_FILE;
+
+    /* As a side effect, set the filename to the current file's base name.
+       It is possible to withdraw this by explicitly calling
+       curl_mime_filename() with a NULL filename argument after the current
+       call. */
+    base = strippath(filename);
+    if (!base)
+      result = CURLE_OUT_OF_MEMORY;
     else {
-      part->data = strdup(filename);
-      if(!part->data)
-        result = CURLE_OUT_OF_MEMORY;
-      else {
-        part->datasize = -1;
-        if(S_ISREG(sbuf.st_mode)) {
-          part->datasize = filesize(filename, sbuf);
-          part->seekfunc = mime_file_seek;
-        }
+      CURLcode res = curl_mime_filename(part, base);
 
-        part->readfunc = mime_file_read;
-        part->freefunc = mime_file_free;
-        part->kind = MIMEKIND_FILE;
-
-        /* As a side effect, set the filename to the current file's base name.
-           It is possible to withdraw this by explicitly calling
-           curl_mime_filename() with a NULL filename argument after the current
-           call. */
-        base = strippath(filename);
-        if(!base)
-          result = CURLE_OUT_OF_MEMORY;
-        else {
-          result = curl_mime_filename(part, base);
-          free(base);
-        }
-      }
+      if (res)
+        result = res;
+      free(base);
     }
   }
   return result;