diff --git a/plugins/io/remote_io.c b/plugins/io/remote_io.c
index c06ecacd..eb5b5f37 100644
--- a/plugins/io/remote_io.c
+++ b/plugins/io/remote_io.c
@@ -279,11 +279,11 @@ MA_FILE *ma_rio_open(const char *url,const char *operation)
   MA_REMOTE_FILE *rf;
   (void)operation;
  
-  if (!(file = (MA_FILE *)calloc(sizeof(MA_FILE), 1)))
+  if (!(file = (MA_FILE *)calloc(1, sizeof(MA_FILE))))
     return NULL;
  
   file->type= MA_FILE_REMOTE;
-  if (!(file->ptr= rf= (MA_REMOTE_FILE *)calloc(sizeof(MA_REMOTE_FILE), 1)))
+  if (!(file->ptr= rf= (MA_REMOTE_FILE *)calloc(1, sizeof(MA_REMOTE_FILE))))
   {
     free(file);
     return NULL; 
diff --git a/plugins/trace/trace_example.c b/plugins/trace/trace_example.c
index 1060542c..e177c206 100644
--- a/plugins/trace/trace_example.c
+++ b/plugins/trace/trace_example.c
@@ -132,7 +132,7 @@ static TRACE_INFO *get_trace_info(unsigned long thread_id)
       info= (TRACE_INFO *)info->next;
   }
 
-  if (!(info= (TRACE_INFO *)calloc(sizeof(TRACE_INFO), 1)))
+  if (!(info= (TRACE_INFO *)calloc(1, sizeof(TRACE_INFO))))
     return NULL;
   info->thread_id= thread_id;
   info->next= trace_info;