diff --git a/litex_boards/platforms/xilinx_alveo_u200.py b/litex_boards/platforms/xilinx_alveo_u200.py
index c15af7a..4d974f8 100644
--- a/litex_boards/platforms/xilinx_alveo_u200.py
+++ b/litex_boards/platforms/xilinx_alveo_u200.py
@@ -349,18 +349,18 @@ class Platform(Xilinx7SeriesPlatform):
         # Reduce programming time
         self.add_platform_command("set_property BITSTREAM.GENERAL.COMPRESS TRUE [current_design]")
         # DDR4 memory channel C1 Internal Vref
-        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 61]")
-        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 62]")
-        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 63]")
+        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 40]")
+        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 41]")
+        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 42]")
         # DDR4 memory channel C2 Internal Vref
         self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 65]")
         self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 66]")
         self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 67]")
         # DDR4 memory channel C3 Internal Vref
-        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 69]")
+        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 46]")
+        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 47]")
+        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 48]")
+        # DDR4 memory channel C4 Internal Vref
         self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 70]")
         self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 71]")
-        # DDR4 memory channel C4 Internal Vref
         self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 72]")
-        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 73]")
-        self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 74]")