diff --git a/litex/boards/platforms/nexys_video.py b/litex/boards/platforms/nexys_video.py
index e067f2558..cb648f247 100644
--- a/litex/boards/platforms/nexys_video.py
+++ b/litex/boards/platforms/nexys_video.py
@@ -14,22 +14,24 @@ _io = [
     ("user_led", 6, Pins("W15"), IOStandard("LVCMOS25")),
     ("user_led", 7, Pins("Y13"), IOStandard("LVCMOS25")),
 
-    ("user_sw", 0, Pins("E22"), IOStandard("LVCMOS12")),
-    ("user_sw", 1, Pins("F21"), IOStandard("LVCMOS12")),
-    ("user_sw", 2, Pins("G21"), IOStandard("LVCMOS12")),
-    ("user_sw", 3, Pins("G22"), IOStandard("LVCMOS12")),
-    ("user_sw", 4, Pins("H17"), IOStandard("LVCMOS12")),
-    ("user_sw", 5, Pins("J16"), IOStandard("LVCMOS12")),
-    ("user_sw", 6, Pins("K13"), IOStandard("LVCMOS12")),
-    ("user_sw", 7, Pins("M17"), IOStandard("LVCMOS12")),
+    ("user_sw", 0, Pins("E22"), IOStandard("LVCMOS25")),
+    ("user_sw", 1, Pins("F21"), IOStandard("LVCMOS25")),
+    ("user_sw", 2, Pins("G21"), IOStandard("LVCMOS25")),
+    ("user_sw", 3, Pins("G22"), IOStandard("LVCMOS25")),
+    ("user_sw", 4, Pins("H17"), IOStandard("LVCMOS25")),
+    ("user_sw", 5, Pins("J16"), IOStandard("LVCMOS25")),
+    ("user_sw", 6, Pins("K13"), IOStandard("LVCMOS25")),
+    ("user_sw", 7, Pins("M17"), IOStandard("LVCMOS25")),
 
 
-    ("user_btn", 0, Pins("B22"), IOStandard("LVCMOS12")),
-    ("user_btn", 1, Pins("D22"), IOStandard("LVCMOS12")),
-    ("user_btn", 2, Pins("C22"), IOStandard("LVCMOS12")),
-    ("user_btn", 3, Pins("D14"), IOStandard("LVCMOS12")),
-    ("user_btn", 4, Pins("F15"), IOStandard("LVCMOS12")),
-    ("user_btn", 5, Pins("G4"),  IOStandard("LVCMOS12")),
+    ("user_btn", 0, Pins("B22"), IOStandard("LVCMOS25")),
+    ("user_btn", 1, Pins("D22"), IOStandard("LVCMOS25")),
+    ("user_btn", 2, Pins("C22"), IOStandard("LVCMOS25")),
+    ("user_btn", 3, Pins("D14"), IOStandard("LVCMOS25")),
+    ("user_btn", 4, Pins("F15"), IOStandard("LVCMOS25")),
+    ("user_btn", 5, Pins("G4"),  IOStandard("LVCMOS25")),
+
+    ("vadj", 0, Pins("AA13 AB17"), IOStandard("LVCMOS25")),
 
     ("oled", 0,
         Subsignal("dc",   Pins("W22")),