diff --git a/PKGBUILD b/PKGBUILD
index a4ba3e7..8217ee4 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -16,15 +16,21 @@ source=("https://github.com/BVLC/$pkgname/archive/$pkgver.tar.gz")
 sha256sums=('55c9c20870b30ce398e19e4f1a62ade1eff08fce51e28fa5604035b711978eec')
 
 build() {
-        cd "$srcdir/$pkgname-$pkgver"
-        rm -fr build
-        mkdir build
-        cd build
-        cmake ../ -DAtlas_LAPACK_LIBRARY=/usr/lib64/libatlas.so \
-        -DAtlas_BLAS_LIBRARY=/usr/lib64/libatlas.so \
-        -DCMAKE_INSTALL_PREFIX=$pkgdir/usr/
+    if [ $CARCH = "i686" ]; then
+        lib="lib"
+    else
+        lib="lib64"
+    fi
 
-        make
+    cd "$srcdir/$pkgname-$pkgver"
+    rm -fr build
+    mkdir build
+    cd build
+    cmake ../   -DAtlas_LAPACK_LIBRARY=/usr/${lib}/libatlas.so \
+                -DAtlas_BLAS_LIBRARY=/usr/${lib}/libatlas.so \
+                -DCMAKE_INSTALL_PREFIX=$pkgdir/usr/
+
+    make
 }
 
 package() {