diff --git a/plat/imx/imx8m/imx8mn/include/platform_def.h b/plat/imx/imx8m/imx8mn/include/platform_def.h
index 8106229..dbb4416 100644
--- a/plat/imx/imx8m/imx8mn/include/platform_def.h
+++ b/plat/imx/imx8m/imx8mn/include/platform_def.h
@@ -72,7 +72,7 @@
 #define IMX_AIPSTZ4			U(0x32df0000)
 
 #define IMX_AIPS_BASE			U(0x30000000)
-#define IMX_AIPS_SIZE			U(0xC00000)
+#define IMX_AIPS_SIZE			U(0x3000000)
 #define IMX_GPV_BASE			U(0x32000000)
 #define IMX_GPV_SIZE			U(0x800000)
 #define IMX_AIPS1_BASE			U(0x30200000)