diff --git a/os/hal/ports/simulator/pal_lld.c b/os/hal/ports/simulator/hal_pal_lld.c
similarity index 96%
rename from os/hal/ports/simulator/pal_lld.c
rename to os/hal/ports/simulator/hal_pal_lld.c
index 2834a9de0..934e8b605 100644
--- a/os/hal/ports/simulator/pal_lld.c
+++ b/os/hal/ports/simulator/hal_pal_lld.c
@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    pal_lld.c
+ * @file    hal_pal_lld.c
  * @brief   Win32 simulator low level PAL driver code.
  *
  * @addtogroup WIN32_PAL
diff --git a/os/hal/ports/simulator/pal_lld.h b/os/hal/ports/simulator/hal_pal_lld.h
similarity index 94%
rename from os/hal/ports/simulator/pal_lld.h
rename to os/hal/ports/simulator/hal_pal_lld.h
index 2cd288ec2..487cbbbdb 100644
--- a/os/hal/ports/simulator/pal_lld.h
+++ b/os/hal/ports/simulator/hal_pal_lld.h
@@ -15,15 +15,15 @@
 */
 
 /**
- * @file    pal_lld.h
+ * @file    hal_pal_lld.h
  * @brief   Win32 simulator low level PAL driver header.
  *
  * @addtogroup WIN32_PAL
  * @{
  */
 
-#ifndef PAL_LLD_H
-#define PAL_LLD_H
+#ifndef HAL_PAL_LLD_H
+#define HAL_PAL_LLD_H
 
 #if HAL_USE_PAL || defined(__DOXYGEN__)
 
@@ -201,6 +201,6 @@ extern "C" {
 
 #endif /* HAL_USE_PAL */
 
-#endif /* PAL_LLD_H */
+#endif /* HAL_PAL_LLD_H */
 
 /** @} */
diff --git a/os/hal/ports/simulator/st_lld.c b/os/hal/ports/simulator/hal_st_lld.c
similarity index 96%
rename from os/hal/ports/simulator/st_lld.c
rename to os/hal/ports/simulator/hal_st_lld.c
index 10e26da50..a58c74a36 100644
--- a/os/hal/ports/simulator/st_lld.c
+++ b/os/hal/ports/simulator/hal_st_lld.c
@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    st_lld.c
+ * @file    hal_st_lld.c
  * @brief   PLATFORM ST subsystem low level driver source.
  *
  * @addtogroup ST
diff --git a/os/hal/ports/simulator/st_lld.h b/os/hal/ports/simulator/hal_st_lld.h
similarity index 94%
rename from os/hal/ports/simulator/st_lld.h
rename to os/hal/ports/simulator/hal_st_lld.h
index c50109f11..116e32ec3 100644
--- a/os/hal/ports/simulator/st_lld.h
+++ b/os/hal/ports/simulator/hal_st_lld.h
@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    st_lld.h
+ * @file    hal_st_lld.h
  * @brief   PLATFORM ST subsystem low level driver header.
  * @details This header is designed to be include-able without having to
  *          include other files from the HAL.
@@ -24,8 +24,8 @@
  * @{
  */
 
-#ifndef ST_LLD_H
-#define ST_LLD_H
+#ifndef HAL_ST_LLD_H
+#define HAL_ST_LLD_H
 
 /*===========================================================================*/
 /* Driver constants.                                                         */
@@ -136,6 +136,6 @@ static inline bool st_lld_is_alarm_active(void) {
   return false;
 }
 
-#endif /* ST_LLD_H */
+#endif /* HAL_ST_LLD_H */
 
 /** @} */
diff --git a/os/hal/ports/simulator/win32/hal_lld.h b/os/hal/ports/simulator/win32/hal_lld.h
index 4284326f3..a1c3d802d 100644
--- a/os/hal/ports/simulator/win32/hal_lld.h
+++ b/os/hal/ports/simulator/win32/hal_lld.h
@@ -22,8 +22,8 @@
  * @{
  */
 
-#ifndef _HAL_LLD_H_
-#define _HAL_LLD_H_
+#ifndef HAL_LLD_H
+#define HAL_LLD_H
 
 #include <windows.h>
 #include <stdio.h>
@@ -62,6 +62,6 @@ extern "C" {
 }
 #endif
 
-#endif /* _HAL_LLD_H_ */
+#endif /* HAL_LLD_H */
 
 /** @} */
diff --git a/os/hal/ports/simulator/win32/serial_lld.c b/os/hal/ports/simulator/win32/hal_serial_lld.c
similarity index 96%
rename from os/hal/ports/simulator/win32/serial_lld.c
rename to os/hal/ports/simulator/win32/hal_serial_lld.c
index c875b8335..fcd4ab7f3 100644
--- a/os/hal/ports/simulator/win32/serial_lld.c
+++ b/os/hal/ports/simulator/win32/hal_serial_lld.c
@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    serial_lld.c
+ * @file    hal_serial_lld.c
  * @brief   Win32 simulator low level serial driver code.
  *
  * @addtogroup WIN32_SERIAL
diff --git a/os/hal/ports/simulator/win32/serial_lld.h b/os/hal/ports/simulator/win32/hal_serial_lld.h
similarity index 95%
rename from os/hal/ports/simulator/win32/serial_lld.h
rename to os/hal/ports/simulator/win32/hal_serial_lld.h
index db04c9bbb..4f3bf5b83 100644
--- a/os/hal/ports/simulator/win32/serial_lld.h
+++ b/os/hal/ports/simulator/win32/hal_serial_lld.h
@@ -15,15 +15,15 @@
 */
 
 /**
- * @file    serial_lld.h
+ * @file    hal_serial_lld.h
  * @brief   Win32 simulator low level serial driver header.
  *
  * @addtogroup WIN32_SERIAL
  * @{
  */
 
-#ifndef _SERIAL_LLD_H_
-#define _SERIAL_LLD_H_
+#ifndef HAL_SERIAL_LLD_H
+#define HAL_SERIAL_LLD_H
 
 #if HAL_USE_SERIAL || defined(__DOXYGEN__)
 
@@ -138,6 +138,6 @@ extern "C" {
 
 #endif /* HAL_USE_SERIAL */
 
-#endif /* _SERIAL_LLD_H_ */
+#endif /* HAL_SERIAL_LLD_H */
 
 /** @} */