diff --git a/lib/decompress_unlzma.c b/lib/decompress_unlzma.c
index 546f2f4..32123a1 100644
--- a/lib/decompress_unlzma.c
+++ b/lib/decompress_unlzma.c
@@ -34,6 +34,7 @@
 #endif /* STATIC */
 
 #include <linux/decompress/mm.h>
+#include <linux/slab.h>
 
 #define	MIN(a, b) (((a) < (b)) ? (a) : (b))