diff --git a/OvmfPkg/build.sh b/OvmfPkg/build.sh
index 65add5c9e9..77582465b6 100755
--- a/OvmfPkg/build.sh
+++ b/OvmfPkg/build.sh
@@ -48,6 +48,7 @@ PLATFORMFILE=
 THREADNUMBER=1
 LAST_ARG=
 RUN_QEMU=no
+ENABLE_FLASH=no
 
 #
 # Pick a default tool type for a given OS
@@ -106,6 +107,9 @@ do
         shift
         break
         ;;
+      --enable-flash)
+        ENABLE_FLASH=yes
+        ;;
       *)
         BUILD_OPTIONS="$BUILD_OPTIONS $arg"
         ;;
@@ -222,12 +226,15 @@ if [[ "$RUN_QEMU" == "yes" ]]; then
     mkdir $QEMU_FIRMWARE_DIR
   fi
   ln -sf $FV_DIR/OVMF.fd $QEMU_FIRMWARE_DIR/bios.bin
-  if [[ "$ADD_QEMU_HDA" == "yes" ]]; then
-    AUTO_QEMU_HDA="-hda fat:$BUILD_ROOT_ARCH"
+  if [[ "$ENABLE_FLASH" == "yes" ]]; then
+    QEMU_COMMAND="$QEMU_COMMAND -pflash $QEMU_FIRMWARE_DIR/bios.bin"
   else
-    AUTO_QEMU_HDA=
+    QEMU_COMMAND="$QEMU_COMMAND -L $QEMU_FIRMWARE_DIR"
   fi
-  QEMU_COMMAND="$QEMU_COMMAND -L $QEMU_FIRMWARE_DIR $AUTO_QEMU_HDA $*"
+  if [[ "$ADD_QEMU_HDA" == "yes" ]]; then
+    QEMU_COMMAND="$QEMU_COMMAND -hda fat:$BUILD_ROOT_ARCH"
+  fi
+  QEMU_COMMAND="$QEMU_COMMAND $*"
   echo Running: $QEMU_COMMAND
   $QEMU_COMMAND
   exit $?