2 files changed, 4 insertions, 5 deletions

diff --git a/.SRCINFO b/.SRCINFO
index 85fdab358c97..3a4a5834ad27 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,7 +1,7 @@
 pkgbase = ros2-humble-tl-expected
 	pkgdesc = C++11/14/17 std::expected with functional-style extensions
 	pkgver = 1.0.2
-	pkgrel = 3
+	pkgrel = 4
 	url = https://index.ros.org/p/tl_expected/
 	arch = any
 	makedepends = cmake
diff --git a/PKGBUILD b/PKGBUILD
index f398332b65a6..b85b49ef83e1 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -4,7 +4,7 @@ _pkgroot=cpp_polyfills
 _pkgname=tl_expected
 pkgname=ros2-humble-tl-expected
 pkgver=1.0.2
-pkgrel=3
+pkgrel=4
 pkgdesc="C++11/14/17 std::expected with functional-style extensions"
 url="https://index.ros.org/p/tl_expected/"
 arch=('any')
@@ -15,11 +15,10 @@ makedepends=('cmake')
 source=("https://github.com/PickNikRobotics/cpp_polyfills/archive/refs/tags/${pkgver}.tar.gz")
 sha256sums=('b7dde11bd51f5a7ded145fbc9a66b5ec304063117da73e19212757cb39830c21')
 
-prepare() {
-    source /opt/ros/humble/setup.bash
-}
 
 build() {
+    source /opt/ros/humble/setup.bash
+
     cmake -B build -S "$_pkgroot-$pkgver/$_pkgname" \
         -DCMAKE_BUILD_TYPE='None' \
         -DCMAKE_INSTALL_PREFIX='/opt/ros/humble' \