diff --git a/VERSION b/VERSION
index 5219e617..95407fa5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-B1-17-g0e7e918e2c+1
\ No newline at end of file
+B1-18-g438548c427+1
\ No newline at end of file
diff --git a/porthole/src/windows/device.c b/porthole/src/windows/device.c
index 57375569..274bc8c7 100644
--- a/porthole/src/windows/device.c
+++ b/porthole/src/windows/device.c
@@ -130,13 +130,13 @@ bool porthole_dev_share(PortholeDev handle, const uint32_t type, void *buffer, s
 {
   DWORD returned;
 
-	PortholeMsg msg = {
+  PortholeMsg msg = {
     .type = type,
     .addr = buffer,
     .size = size
   };
 
-	if (!DeviceIoControl(handle->dev, IOCTL_PORTHOLE_SEND_MSG, &msg, sizeof(PortholeMsg), NULL, 0, &returned, NULL))
+  if (!DeviceIoControl(handle->dev, IOCTL_PORTHOLE_SEND_MSG, &msg, sizeof(PortholeMsg), NULL, 0, &returned, NULL))
     return false;
 
   return true;
@@ -146,12 +146,12 @@ bool porthole_dev_unlock(PortholeDev handle, void *buffer, size_t size)
 {
   DWORD returned;
 
-	PortholeLockMsg msg = {
+  PortholeLockMsg msg = {
     .addr = buffer,
     .size = size
   };
 
-	if (!DeviceIoControl(handle->dev, IOCTL_PORTHOLE_UNLOCK_BUFFER, &msg , sizeof(PortholeLockMsg), NULL, 0, &returned, NULL))
+  if (!DeviceIoControl(handle->dev, IOCTL_PORTHOLE_UNLOCK_BUFFER, &msg , sizeof(PortholeLockMsg), NULL, 0, &returned, NULL))
     return false;
 
   return true;
diff --git a/porthole/src/windows/driver.h b/porthole/src/windows/driver.h
index 95bf6434..dbc8ee63 100644
--- a/porthole/src/windows/driver.h
+++ b/porthole/src/windows/driver.h
@@ -7,16 +7,16 @@ DEFINE_GUID (GUID_DEVINTERFACE_PORTHOLE,
 
 typedef struct _PortholeMsg
 {
-	UINT32 type;
-	PVOID  addr;
-	UINT32 size;
+  UINT32 type;
+  PVOID  addr;
+  UINT32 size;
 }
 PortholeMsg, *PPortholeMsg;
 
 typedef struct _PortholeLockMsg
 {
-	PVOID  addr;
-	UINT32 size;
+  PVOID  addr;
+  UINT32 size;
 }
 PortholeLockMsg, *PPortholeLockMsg;