diff --git a/scst/src/scst_lib.c b/scst/src/scst_lib.c
index 470ff8519..bc45eb0f7 100644
--- a/scst/src/scst_lib.c
+++ b/scst/src/scst_lib.c
@@ -29,6 +29,7 @@
 #include <linux/string.h>
 #include <linux/ctype.h>
 #include <linux/delay.h>
+#include <linux/vmalloc.h>
 #include <asm/kmap_types.h>
 #include <asm/unaligned.h>