diff --git a/CMakeLists.txt b/CMakeLists.txt
index 951fd917..5526a851 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -78,6 +78,11 @@ add_custom_target(image-full
 	USES_TERMINAL
 )
 
+add_custom_target(check-fs
+	COMMAND ${CMAKE_COMMAND} -E env DISK_IMAGE_PATH="${DISK_IMAGE_PATH}" ${CMAKE_SOURCE_DIR}/check-fs.sh
+	USES_TERMINAL
+)
+
 add_custom_target(qemu
 	COMMAND ${CMAKE_COMMAND} -E env BANAN_ARCH="${BANAN_ARCH}" DISK_IMAGE_PATH="${DISK_IMAGE_PATH}" ${CMAKE_SOURCE_DIR}/qemu.sh
 	DEPENDS image
diff --git a/check-fs.sh b/check-fs.sh
new file mode 100755
index 00000000..253c341c
--- /dev/null
+++ b/check-fs.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+
+LOOP_DEV=$(sudo losetup -f --show $DISK_IMAGE_PATH)
+sudo partprobe $LOOP_DEV
+
+sudo fsck.ext2 -fn ${LOOP_DEV}p2 || true
+
+sudo losetup -d $LOOP_DEV