diff --git a/ports/mimxrt/boards/MIMXRT1052.ld b/ports/mimxrt/boards/MIMXRT1052.ld
index 78d21ef3c4..f7c60d24f4 100644
--- a/ports/mimxrt/boards/MIMXRT1052.ld
+++ b/ports/mimxrt/boards/MIMXRT1052.ld
@@ -19,7 +19,7 @@ ivt_size            = 0x00001000;
 interrupts_start    = flash_start + 0x00002000;
 interrupts_size     = 0x00000400;
 text_start          = flash_start + 0x00002400;
-vfs_start           = flash_start + 0x00100000;
+vfs_start           = flash_start + 0x00200000;
 text_size           = ((vfs_start) - (text_start));
 vfs_size            = ((flash_end) - (vfs_start));
 itcm_start          = 0x00000000;
diff --git a/ports/mimxrt/ticks.c b/ports/mimxrt/ticks.c
index 5ae6f7f13b..0fc9babc04 100644
--- a/ports/mimxrt/ticks.c
+++ b/ports/mimxrt/ticks.c
@@ -56,7 +56,9 @@ void ticks_init(void) {
     NVIC_EnableIRQ(GPTx_IRQn);
 
     GPT_StartTimer(GPTx);
+    #ifdef NDEBUG
     mp_hal_ticks_cpu_enable();
+    #endif
 }
 
 void GPTx_IRQHandler(void) {