diff --git a/reactos/subsystems/win32/win32k/ntuser/misc.c b/reactos/subsystems/win32/win32k/ntuser/misc.c
index 94e7576d1c1..df101ba951b 100644
--- a/reactos/subsystems/win32/win32k/ntuser/misc.c
+++ b/reactos/subsystems/win32/win32k/ntuser/misc.c
@@ -967,6 +967,7 @@ IntSystemParametersInfo(
       case SPI_SETMOUSEHOVERHEIGHT:
       case SPI_SETMOUSE:
       case SPI_SETMOUSESPEED:
+      case SPI_SETMOUSEBUTTONSWAP:
          /* We will change something, so set the flag here */
          bChanged = TRUE;
       case SPI_GETDESKWALLPAPER:
@@ -1081,6 +1082,10 @@ IntSystemParametersInfo(
                    CurInfo = IntGetSysCursorInfo(WinStaObject);
                    CurInfo->MouseHoverHeight = uiParam;
                    break; 
+               case SPI_SETMOUSEBUTTONSWAP:
+                   CurInfo = IntGetSysCursorInfo(WinStaObject);
+                   CurInfo->SwapButtons = uiParam;
+                   break; 
                case SPI_SETMOUSE:
                    CurInfo = IntGetSysCursorInfo(WinStaObject);
                    CurInfo->CursorAccelerationInfo = *(PCURSORACCELERATION_INFO)pvParam;