diff --git a/make/Makefile.7400MCN0P01R01 b/make/Makefile.7400MCN0P01R01
index 151a719f..e1ed3dec 100644
--- a/make/Makefile.7400MCN0P01R01
+++ b/make/Makefile.7400MCN0P01R01
@@ -1,7 +1,7 @@
 
 PROFILE_ID 				:= 7400-MCN0-P01R01
 SUPPORTED_MACHINE_ID 	:= 7400-MCN0-P01R01
-KERNEL_ARGS 			:= console=ttyS0,115200n8 crashkernel=auto intel_iommu=on iommu=pt pci=realloc,assign-busses
+KERNEL_ARGS 			:= console=ttyS0,115200n8 crashkernel=512M intel_iommu=on iommu=pt pci=realloc,assign-busses
 GRUB_SERIAL_COMMAND 	:=
 SIZE_PART_SYSROOT		:= 16384M
 SIZE_PART_DATA			:= 65536M
diff --git a/make/Makefile.7400MCN123P01R01 b/make/Makefile.7400MCN123P01R01
index f803c4d7..3d31470d 100644
--- a/make/Makefile.7400MCN123P01R01
+++ b/make/Makefile.7400MCN123P01R01
@@ -1,7 +1,7 @@
 
 PROFILE_ID 				:= 7400-MCN123-P01R01
 SUPPORTED_MACHINE_ID 	:= 7400-MCN123-P01R01
-KERNEL_ARGS 			:= console=ttyS0,115200n8 crashkernel=auto intel_iommu=on iommu=pt pci=realloc,assign-busses
+KERNEL_ARGS 			:= console=ttyS0,115200n8 crashkernel=512M intel_iommu=on iommu=pt pci=realloc,assign-busses
 GRUB_SERIAL_COMMAND 	:=
 SIZE_PART_SYSROOT		:= 16384M
 SIZE_PART_DATA			:= 65536M