diff --git a/src/test_exception.c b/src/test_exception.c
index 84ddcc8..67096eb 100644
--- a/src/test_exception.c
+++ b/src/test_exception.c
@@ -42,10 +42,14 @@ void _exc_arith(void)
 
 void _exc_store_err(void)
 {
-	volatile int *pSrc = (int*)SYS_TIMER_SEC;
-	volatile int *pDst = (int*)0x40000001;
+	__asm
+	(
+		".set	noreorder\n"
+		" li	$t0, 0x40000000\n"
+		" sw    $0, 1($t0)\n"
+		".set	reorder\n"
 
-	*pDst = *pSrc;
+	);
 
 }
 
diff --git a/src/test_exception_sim.c b/src/test_exception_sim.c
index 57a2dc7..7c9872e 100644
--- a/src/test_exception_sim.c
+++ b/src/test_exception_sim.c
@@ -46,10 +46,14 @@ void _exc_arith(void)
 
 void _exc_store_err(void)
 {
-	volatile int *pSrc = (int*)SYS_TIMER_SEC;
-	volatile int *pDst = (int*)0x80000001;
+	__asm
+	(
+		".set	noreorder\n"
+		" li	$t0, 0x40000000\n"
+		" sw    $0, 1($t0)\n"
+		".set	reorder\n"
 
-	*pDst = *pSrc;
+	);
 
 }