diff --git a/scst/src/scst_lib.c b/scst/src/scst_lib.c
index e5ca2362b..9c9dc4999 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>
 
diff --git a/scst/src/scst_pres.c b/scst/src/scst_pres.c
index 014ba3baf..7fa513d87 100644
--- a/scst/src/scst_pres.c
+++ b/scst/src/scst_pres.c
@@ -42,6 +42,7 @@
 #include <linux/uaccess.h>
 #include <linux/namei.h>
 #include <linux/version.h>
+#include <linux/vmalloc.h>
 #include <asm/unaligned.h>
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)