diff --git a/debian/resources/postgresql.sh b/debian/resources/postgresql.sh
index 930b302..7c9b476 100755
--- a/debian/resources/postgresql.sh
+++ b/debian/resources/postgresql.sh
@@ -44,12 +44,12 @@ if [ ."$database_repo" = ."official" ]; then
   		apt-get update && apt-get upgrade -y
 	fi
 	if [ ."$os_codename" = ."bullseye" ]; then
-		sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/pgdg.gpg] http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+		sh -c 'echo "deb [signed-by=/usr/share/keyrings/pgdg.gpg] http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
 		wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor -o /usr/share/keyrings/pgdg.gpg
   		apt-get update && apt-get upgrade -y
 	fi
 	if [ ."$os_codename" = ."bookworm" ]; then
-		sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/pgdg.gpg] http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+		sh -c 'echo "deb [signed-by=/usr/share/keyrings/pgdg.gpg] http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
 		wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor -o /usr/share/keyrings/pgdg.gpg
   		apt-get update && apt-get upgrade -y
 	fi