diff --git a/hooks/prebuild/debian/complete-project-db b/hooks/prebuild/debian/complete-project-db
index 64e9e2f..b2be10c 100755
--- a/hooks/prebuild/debian/complete-project-db
+++ b/hooks/prebuild/debian/complete-project-db
@@ -7,7 +7,7 @@ if [ ! -f debian/control ]; then
   exit 1
 fi
 
-package_name=$(grep -E '^Source:' debian/control | awk '{ print $2 }')
+package_name=$(sed -n 's/^Source:[ \t]*\(.*\)$/\1/p' debian/control | tr -d '[:space:]')
 project_name=$(tamarin_db get project_name)
 
 if [ "${package_name}" != "${project_name}" ]; then