diff --git a/Source/portable/MPLAB/PIC32MX/portmacro.h b/Source/portable/MPLAB/PIC32MX/portmacro.h
index b157e3c3c..e7730e354 100644
--- a/Source/portable/MPLAB/PIC32MX/portmacro.h
+++ b/Source/portable/MPLAB/PIC32MX/portmacro.h
@@ -90,7 +90,7 @@ extern "C" {
 /*-----------------------------------------------------------*/
 
 /* Hardware specifics. */
-#define portBYTE_ALIGNMENT			4
+#define portBYTE_ALIGNMENT			8
 #define portSTACK_GROWTH			-1
 #define portTICK_RATE_MS			( ( portTickType ) 1000 / configTICK_RATE_HZ )		
 /*-----------------------------------------------------------*/