diff --git a/sanei/sanei_constrain_value.c b/sanei/sanei_constrain_value.c
index b000afb0e..b6d95b60e 100644
--- a/sanei/sanei_constrain_value.c
+++ b/sanei/sanei_constrain_value.c
@@ -45,6 +45,7 @@
 #include <sys/types.h>
 
 #include "sane/sane.h"
+#include "sane/sanei.h"
 
 SANE_Status
 sanei_constrain_value (const SANE_Option_Descriptor * opt, void * value,
diff --git a/sanei/sanei_load_values.c b/sanei/sanei_load_values.c
index 556328305..16078f71d 100644
--- a/sanei/sanei_load_values.c
+++ b/sanei/sanei_load_values.c
@@ -70,6 +70,7 @@
 #endif
 
 #include "sane/sane.h"
+#include "sane/sanei.h"
 #include "sane/sanei_wire.h"
 #include "sane/sanei_codec_ascii.h"
 
diff --git a/sanei/sanei_save_values.c b/sanei/sanei_save_values.c
index a73be5c86..753bb8ae0 100644
--- a/sanei/sanei_save_values.c
+++ b/sanei/sanei_save_values.c
@@ -48,6 +48,7 @@
 #endif
 
 #include "sane/sane.h"
+#include "sane/sanei.h"
 #include "sane/sanei_wire.h"
 #include "sane/sanei_codec_ascii.h"