diff --git a/gfx/common/win32_common.c b/gfx/common/win32_common.c
index f7ccbd6750..9bb809ad75 100644
--- a/gfx/common/win32_common.c
+++ b/gfx/common/win32_common.c
@@ -91,6 +91,14 @@
 
 /* These are defined in later SDKs, thus ifdeffed. */
 
+#ifndef WM_MOUSEHWHEEL
+#define WM_MOUSEHWHEEL                  0x20e
+#endif
+
+#ifndef WM_MOUSEWHEEL
+#define WM_MOUSEWHEEL                   0x020A
+#endif
+
 #ifndef WM_POINTERUPDATE
 #define WM_POINTERUPDATE                0x0245
 #endif
diff --git a/input/drivers/dinput.c b/input/drivers/dinput.c
index 4d0f2c1ce0..b0d682287a 100644
--- a/input/drivers/dinput.c
+++ b/input/drivers/dinput.c
@@ -32,11 +32,11 @@
 #include <windowsx.h>
 
 #ifndef WM_MOUSEHWHEEL
-#define WM_MOUSEHWHEEL 0x20e
+#define WM_MOUSEHWHEEL                  0x20e
 #endif
 
 #ifndef WM_MOUSEWHEEL
-#define WM_MOUSEWHEEL 0x020A
+#define WM_MOUSEWHEEL                   0x020A
 #endif
 
 #ifdef HAVE_CONFIG_H