diff --git a/configure.ac b/configure.ac
index 223c78db..7f9d2fe3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1651,7 +1651,7 @@ dnl         ;;
 dnl esac
 
 AC_ARG_WITH(targetname,
-  [  --with-targetname=unknown/external/fmsoft/mstudio/stb810/vfanvil/vxi386/qvfb/fbcon/mx21/monaco/c33l05/bfin/vxppc/
+  [  --with-targetname=unknown/external/fmsoft/mstudio/r818/stb810/vfanvil/vxi386/qvfb/fbcon/mx21/monaco/c33l05/bfin/vxppc/
                         S3C6410/S3C2440/S3C2410/hi3560a     Define the target board name])
 
 case "$with_targetname" in
@@ -1665,6 +1665,9 @@ case "$with_targetname" in
   mstudio)
     AC_DEFINE(__TARGET_MSTUDIO__, 1, [Define for FMSoft miniStudio])
    ;;
+  r818)
+    AC_DEFINE(__TARGET_R818__, 1, [Define for Allwinner R818 target])
+    ;;
   stb810)
     AC_DEFINE(__TARGET_STB810__, 1, [Define for Philips STB810 target])
     ;;