diff --git a/configure b/configure
index 4e19a7ad8d..35881e3b70 100755
--- a/configure
+++ b/configure
@@ -1590,6 +1590,7 @@ fi
 
 for codec in $CODEC_LIST ; do
     echo "#define CONFIG_`echo $codec | awk '{$1=toupper($1)}1'` 1" >> $TMPH
+    echo "CONFIG_`echo $codec | awk '{$1=toupper($1)}1'`=yes" >> config.mak
 done
 
 diff $TMPH config.h >/dev/null 2>&1