diff --git a/media-libs/flac/flac-1.2.1.bep b/media-libs/flac/flac-1.2.1.bep
index 038111c76..c1f613bd6 100644
--- a/media-libs/flac/flac-1.2.1.bep
+++ b/media-libs/flac/flac-1.2.1.bep
@@ -8,7 +8,7 @@ DEPEND="gettext >= 0.17"
 BUILD {
 	cd flac-1.2.1
 	libtoolize --force --copy --install
-	./autogen.sh --prefix=/boot/common
+	./autogen.sh --prefix=`finddir B_COMMON_DIRECTORY`
 	make
 }
 
diff --git a/media-libs/flac/patches/flac-1.2.1.patch b/media-libs/flac/patches/flac-1.2.1.patch
new file mode 100644
index 000000000..be91dfc97
--- /dev/null
+++ b/media-libs/flac/patches/flac-1.2.1.patch
@@ -0,0 +1,11 @@
+diff -urN flac-1.2.1/examples/cpp/encode/file/main.cpp flac-1.2.1-haiku/examples/cpp/encode/file/main.cpp
+--- flac-1.2.1/examples/cpp/encode/file/main.cpp	2007-09-13 15:58:03.004718592 +0000
++++ flac-1.2.1-haiku/examples/cpp/encode/file/main.cpp	2010-09-20 12:47:33.520617984 +0000
+@@ -30,6 +30,7 @@
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <string.h>
+ #include "FLAC++/metadata.h"
+ #include "FLAC++/encoder.h"
+