diff --git a/exvs2io/exvs2io.c b/exvs2io/exvs2io.c
index 15c6b3e..2552d41 100644
--- a/exvs2io/exvs2io.c
+++ b/exvs2io/exvs2io.c
@@ -63,15 +63,15 @@ HRESULT exvs2_io_jvs_poll(uint8_t *opbtn, uint16_t *gamepad)
         *gamepad |= EXVS2_IO_GAMEBTN_1;
     }
 
-    if (GetAsyncKeyState(najv4_cfg.btn1) & 0x8000) {
+    if (GetAsyncKeyState(najv4_cfg.btn2) & 0x8000) {
         *gamepad |= EXVS2_IO_GAMEBTN_2;
     }
 
-    if (GetAsyncKeyState(najv4_cfg.btn1) & 0x8000) {
+    if (GetAsyncKeyState(najv4_cfg.btn3) & 0x8000) {
         *gamepad |= EXVS2_IO_GAMEBTN_3;
     }
 
-    if (GetAsyncKeyState(najv4_cfg.btn1) & 0x8000) {
+    if (GetAsyncKeyState(najv4_cfg.btn4) & 0x8000) {
         *gamepad |= EXVS2_IO_GAMEBTN_4;
     }