diff --git a/board/qemu/microblazebe-mmu/linux-4.3.config b/board/qemu/microblazebe-mmu/linux-4.3.config
index 6b4ff22279..7bcd382060 100644
--- a/board/qemu/microblazebe-mmu/linux-4.3.config
+++ b/board/qemu/microblazebe-mmu/linux-4.3.config
@@ -17,3 +17,4 @@ CONFIG_XILINX_EMACLITE=y
 CONFIG_SERIAL_UARTLITE=y
 CONFIG_SERIAL_UARTLITE_CONSOLE=y
 # CONFIG_VGA_CONSOLE is not set
+CONFIG_TMPFS=y
diff --git a/board/qemu/microblazeel-mmu/linux-4.3.config b/board/qemu/microblazeel-mmu/linux-4.3.config
index c7d6b305ba..a6228280bd 100644
--- a/board/qemu/microblazeel-mmu/linux-4.3.config
+++ b/board/qemu/microblazeel-mmu/linux-4.3.config
@@ -16,3 +16,4 @@ CONFIG_XILINX_EMACLITE=y
 CONFIG_SERIAL_UARTLITE=y
 CONFIG_SERIAL_UARTLITE_CONSOLE=y
 # CONFIG_VGA_CONSOLE is not set
+CONFIG_TMPFS=y