diff --git a/Dockerfile b/Dockerfile
index 356436d..b5add79 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,8 @@ RUN apt-get update && \
         tini && \
     rm -rf /var/lib/apt/lists/*
 
+ENV KRB5_KDC_PROFILE=/var/lib/krb5kdc/kdc.conf
+
 COPY entrypoint.sh /entrypoint
 
 RUN chmod +x /entrypoint
diff --git a/entrypoint.sh b/entrypoint.sh
index 5c624da..1971b4c 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -53,8 +53,8 @@ EOF
     cp /var/lib/krb5kdc/krb5.conf /etc/krb5.conf
 
     echo "Initializing Kerberos realm ${REALM}..."
-    KRB5_KDC_PROFILE=/var/lib/krb5kdc/kdc.conf kdb5_util create -s -P "${MASTER_PASSWORD}" -r "${REALM}"
-    KRB5_KDC_PROFILE=/var/lib/krb5kdc/kdc.conf kadmin.local -q "addprinc -pw ${ADMIN_PASSWORD} ${ADMIN_PRINCIPAL}@${REALM}"
+    kdb5_util create -s -P "${MASTER_PASSWORD}" -r "${REALM}"
+    kadmin.local -q "addprinc -pw ${ADMIN_PASSWORD} ${ADMIN_PRINCIPAL}@${REALM}"
     echo "Realm initialized."
 else
     echo "Realm already initialized, skipping."
@@ -67,8 +67,6 @@ else
     fi
 fi
 
-export KRB5_KDC_PROFILE=/var/lib/krb5kdc/kdc.conf
-
 krb5kdc -n &
 KDC_PID=$!