diff --git a/bacnet-stack/include/ringbuf.h b/bacnet-stack/include/ringbuf.h
index 39de6aef..4e09abdb 100644
--- a/bacnet-stack/include/ringbuf.h
+++ b/bacnet-stack/include/ringbuf.h
@@ -43,7 +43,7 @@
 #include <stdbool.h>
 
 struct ring_buffer_t {
-    uint8_t * volatile buffer; /* block of memory or array of data */
+    volatile uint8_t * buffer; /* block of memory or array of data */
     unsigned element_size;      /* how many bytes for each chunk */
     unsigned element_count;     /* number of chunks of data */
     volatile unsigned head;      /* where the writes go */
@@ -73,7 +73,7 @@ extern "C" {
     /* Note: element_count must be a power of two */
     void Ringbuf_Init(
         RING_BUFFER * b,        /* ring buffer structure */
-        uint8_t * volatile buffer,     /* data block or array of data */
+        volatile uint8_t * buffer,     /* data block or array of data */
         unsigned element_size,  /* size of one element in the data block */
         unsigned element_count);        /* number of elements in the data block */
 
diff --git a/bacnet-stack/src/ringbuf.c b/bacnet-stack/src/ringbuf.c
index 66c5f89e..d7ddcc53 100644
--- a/bacnet-stack/src/ringbuf.c
+++ b/bacnet-stack/src/ringbuf.c
@@ -186,7 +186,7 @@ uint8_t *Ringbuf_Alloc(
 *****************************************************************************/
 void Ringbuf_Init(
     RING_BUFFER * b,    /* ring buffer structure */
-    uint8_t * volatile buffer, /* data block or array of data */
+    volatile uint8_t * buffer, /* data block or array of data */
     unsigned element_size,      /* size of one element in the data block */
     unsigned element_count)
 {       /* number of elements in the data block */