diff --git a/Scripts/build_libSession_util.sh b/Scripts/build_libSession_util.sh
index f8904d50b..3190952e1 100755
--- a/Scripts/build_libSession_util.sh
+++ b/Scripts/build_libSession_util.sh
@@ -3,7 +3,7 @@
 # Need to set the path or we won't find cmake
 PATH=${PATH}:/usr/local/bin:/opt/local/bin:/opt/homebrew/bin:/opt/homebrew/opt/m4/bin:/sbin/md5
 required_packages=("cmake" "m4" "pkg-config")
-DERIVED_DATA_PATH=$(echo "${BUILD_DIR}" | sed -n 's/\(.*DerivedData\/[^\/]*\).*/\1/p')
+DERIVED_DATA_PATH=$(echo "${BUILD_DIR}" | sed -E 's#^(.*[dD]erived[Dd]ata)(/[sS]ession-[^/]+)?.*#\1\2#' | tr -d '\n')
 PRE_BUILT_FRAMEWORK_DIR="${DERIVED_DATA_PATH}/SourcePackages/artifacts/libsession-util-spm/SessionUtil"
 FRAMEWORK_DIR="libsession-util.xcframework"