diff --git a/Dockerfile b/Dockerfile
index 7183159..f0b3d5d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ ENV DEBUG_LEVEL 32768
 
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y \
+        ldap-utils \
         slapd=${OPENLDAP_VERSION}* && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
@@ -23,4 +24,4 @@ VOLUME ["/etc/ldap", "/var/lib/ldap"]
 
 ENTRYPOINT ["/entrypoint.sh"]
 
-CMD ["sh", "-c", "slapd -d ${DEBUG_LEVEL} -u openldap -g openldap"]
+CMD ["sh", "-c", "slapd -h 'ldap:/// ldapi:///' -d ${DEBUG_LEVEL} -u openldap -g openldap"]