diff --git a/.SRCINFO b/.SRCINFO
index fe333dc..237d787 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -6,6 +6,7 @@ pkgbase = pdfcpu
 	arch = x86_64
 	license = Apache
 	makedepends = go
+	conflicts = pdfcpu-bin
 	conflicts = pdfcpu-git
 	source = https://github.com/hhrutter/pdfcpu/archive/v0.5.0.tar.gz
 	b2sums = b3c554918559db85662f8c9252d9a9a7e2ec3db2c177493bc2bc1f9627f35de69f28ab056d13c02ae05cfd9f3cfb40560f2970c6c5e757a72f0b7cd27344a27f
diff --git a/PKGBUILD b/PKGBUILD
index 088593b..901ed07 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -10,21 +10,26 @@ pkgdesc='A PDF processor written in Go.'
 arch=(x86_64)
 url='https://github.com/hhrutter/pdfcpu'
 license=('Apache')
-conflicts=(pdfcpu-git)
+conflicts=($pkgname-bin $pkgname-git)
 makedepends=(go)
 source=($url/archive/v$pkgver.tar.gz)
 b2sums=('b3c554918559db85662f8c9252d9a9a7e2ec3db2c177493bc2bc1f9627f35de69f28ab056d13c02ae05cfd9f3cfb40560f2970c6c5e757a72f0b7cd27344a27f')
 
 build() {
     cd $pkgname-$pkgver/cmd/pdfcpu
-    export CGO_CPPFLAGS="${CPPFLAGS}"
-    export CGO_CFLAGS="${CFLAGS}"
-    export CGO_CXXFLAGS="${CXXFLAGS}"
-    export CGO_LDFLAGS="${LDFLAGS}"
+    export CGO_CPPFLAGS="$CPPFLAGS"
+    export CGO_CFLAGS="$CFLAGS"
+    export CGO_CXXFLAGS="$CXXFLAGS"
+    export CGO_LDFLAGS="$LDFLAGS"
     export GOFLAGS="-buildmode=pie -trimpath -ldflags=-linkmode=external -mod=readonly -modcacherw"
     go build -buildvcs=false
 }
 
+check() {
+    cd $pkgname-$pkgver
+    ./coverage.sh
+}
+
 package() {
     cd $pkgname-$pkgver/cmd/pdfcpu
     install -Dm755 pdfcpu "$pkgdir/usr/bin/$pkgname"