diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index cc1ebf4..cdd96d8 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -10,7 +10,7 @@ arch=('x86_64')
 url="http://www.metadecks.org/software/sweep/"
 license=('GPL2')
 groups=('pro-audio')
-depends=('gtk2' 'libsamplerate' 'libmad' 'speex')
+depends=('gtk2' 'libsamplerate' 'libmad' 'speex' 'libsndfile' 'alsa-lib')
 source=("https://downloads.sourceforge.net/sourceforge/$pkgname/$pkgname-$pkgver.tar.gz")
 sha512sums=('e1e2018ae46cb77cc3aa8faf8f83fc50e937600e6103c9ebb1bfee5a43c30aa1710fd8876c1f59285356a9d0517607deda8c03463ad7a6dcfe72bbff486b6a46')
 
@@ -20,6 +20,7 @@ build() {
   # TODO: report upstream
   export LDFLAGS="$LDFLAGS -lgmodule-2.0"
   ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var
+  sed -i -e 's/ -shared / -Wl,-O1,--as-needed\0/g' libtool
   make
 }