diff --git a/master/ioctl.c b/master/ioctl.c
index 43a98c1a..ac87de51 100644
--- a/master/ioctl.c
+++ b/master/ioctl.c
@@ -118,6 +118,8 @@ static ATTRIBUTES int ec_ioctl_master(
     io.domain_count = ec_master_domain_count(master);
 #ifdef EC_EOE
     io.eoe_handler_count = ec_master_eoe_handler_count(master);
+#else
+    io.eoe_handler_count = 0;
 #endif
     io.phase = (uint8_t) master->phase;
     io.active = (uint8_t) master->active;
diff --git a/master/ioctl.h b/master/ioctl.h
index 3991e406..3f750cc3 100644
--- a/master/ioctl.h
+++ b/master/ioctl.h
@@ -47,7 +47,7 @@
  *
  * Increment this when changing the ioctl interface!
  */
-#define EC_IOCTL_VERSION_MAGIC 31
+#define EC_IOCTL_VERSION_MAGIC 32
 
 // Command-line tool
 #define EC_IOCTL_MODULE                EC_IOR(0x00, ec_ioctl_module_t)
@@ -164,9 +164,7 @@ typedef struct {
     uint32_t slave_count;
     uint32_t config_count;
     uint32_t domain_count;
-#ifdef EC_EOE
     uint32_t eoe_handler_count;
-#endif
     uint8_t phase;
     uint8_t active;
     uint8_t scan_busy;