diff --git a/2.build.postgresql.sh b/2.build.postgresql.sh
index c5929a2..1712719 100755
--- a/2.build.postgresql.sh
+++ b/2.build.postgresql.sh
@@ -5,7 +5,7 @@ source ./0.variables.env
 
 echo "" >> ./0.variables.env
 echo "export POSTGRES_IMAGE=postgres15-${POSTGRES_PORT}-image" >> ./0.variables.env
-
+POSTGRES_IMAGE=postgres15-${POSTGRES_PORT}-image
 
 
 docker build \