diff --git a/libefiusb/device_mode/XdciDWC.c b/libefiusb/device_mode/XdciDWC.c
index cac538ab..40fb53fc 100644
--- a/libefiusb/device_mode/XdciDWC.c
+++ b/libefiusb/device_mode/XdciDWC.c
@@ -1521,9 +1521,9 @@ DwcXdciCoreInit (
   UsbRegWrite (
     BaseAddr,
     DWC_XDCI_DCTL_REG,
-    UsbRegRead (BaseAddr, DWC_XDCI_DCTL_REG) &
+    (UsbRegRead (BaseAddr, DWC_XDCI_DCTL_REG) &
     (~DWC_XDCI_DCTL_KEEP_CONNECT_MASK) &
-    ((~DWC_XDCI_DCTL_STATE_CHANGE_REQ_MASK) | (DWC_XDCI_DCTL_STATE_CHANGE_REQ_RX_DETECT << DWC_XDCI_DCTL_STATE_CHANGE_REQ_BIT_POS))
+    (~DWC_XDCI_DCTL_STATE_CHANGE_REQ_MASK)) | (DWC_XDCI_DCTL_STATE_CHANGE_REQ_RX_DETECT << DWC_XDCI_DCTL_STATE_CHANGE_REQ_BIT_POS)
     );
 
   DEBUG ((DEBUG_INFO, "Device controller Synopsys ID: %x\n", UsbRegRead (BaseAddr, DWC_XDCI_GSNPSID_REG)));
@@ -3617,10 +3617,10 @@ UsbXdciCoreReinit (
   UsbRegWrite (
     BaseAddr,
     DWC_XDCI_DCTL_REG,
-    UsbRegRead (BaseAddr, DWC_XDCI_DCTL_REG) &
+    (UsbRegRead (BaseAddr, DWC_XDCI_DCTL_REG) &
     (~DWC_XDCI_DCTL_KEEP_CONNECT_MASK) &
-    ((~DWC_XDCI_DCTL_STATE_CHANGE_REQ_MASK) |
-    (DWC_XDCI_DCTL_STATE_CHANGE_REQ_RX_DETECT << DWC_XDCI_DCTL_STATE_CHANGE_REQ_BIT_POS))
+    (~DWC_XDCI_DCTL_STATE_CHANGE_REQ_MASK)) |
+    (DWC_XDCI_DCTL_STATE_CHANGE_REQ_RX_DETECT << DWC_XDCI_DCTL_STATE_CHANGE_REQ_BIT_POS)
     );
 
   DEBUG ((DEBUG_INFO, "Device controller Synopsys ID: %x\n", UsbRegRead (BaseAddr, DWC_XDCI_GSNPSID_REG)));