diff --git a/media-libs/speex/speex-1.2-git.bep b/media-libs/speex/speex-1.2-git.bep
index 2dc5e5938..320e8878a 100644
--- a/media-libs/speex/speex-1.2-git.bep
+++ b/media-libs/speex/speex-1.2-git.bep
@@ -10,11 +10,12 @@ BUILD {
 	libtoolize --copy --force --install
 	echo 'AC_CONFIG_MACRO_DIR([m4])' >> configure.ac
 	autogen.sh --prefix=`finddir B_COMMON_DIRECTORY`
-	MANDIR=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/man
-	LIBDIR=`finddir B_COMMON_LIB_DIRECTORY`
+	sed -i 's/$(datadir)\/aclocal/`finddir B_COMMON_DATA_DIRECTORY`\/aclocal/g' M*
+	COMMON_DOCS=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`
 	./configure --prefix=`finddir B_COMMON_DIRECTORY` \
-		--libdir=$LIBDIR \
-		--mandir=$MANDIR
+		--datarootdir=$COMMON_DOCS \
+		--libdir=`finddir B_COMMON_LIB_DIRECTORY` \
+		--mandir=$COMMON_DIR/man
 	make
 }