diff --git a/audio/drivers/wasapi.c b/audio/drivers/wasapi.c
index 2acea1a24e..8cb0e3883c 100644
--- a/audio/drivers/wasapi.c
+++ b/audio/drivers/wasapi.c
@@ -21,13 +21,13 @@
 #define _WIN32_WINNT 0x0600
 #define WIN32_LEAN_AND_MEAN
 
-#include <Windows.h>
-#include <Winerror.h>
+#include <windows.h>
+#include <winerror.h>
 #include <initguid.h>
-#include <Mmdeviceapi.h>
-#include <Mmreg.h>
-#include <Audioclient.h>
-#include <Propidl.h>
+#include <mmdeviceapi.h>
+#include <mmreg.h>
+#include <audioclient.h>
+#include <propidl.h>
 
 #include <lists/string_list.h>
 #include <queues/fifo_queue.h>
diff --git a/input/drivers/winraw_input.c b/input/drivers/winraw_input.c
index bc1e0f09bb..ccbe932e65 100644
--- a/input/drivers/winraw_input.c
+++ b/input/drivers/winraw_input.c
@@ -13,7 +13,7 @@
  *  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <Windows.h>
+#include <windows.h>
 
 #include "../configuration.h"
 #include "../input_driver.h"