diff --git a/8.4/Dockerfile b/8.4/Dockerfile
index 208562c72f..d3be0ad934 100644
--- a/8.4/Dockerfile
+++ b/8.4/Dockerfile
@@ -36,7 +36,7 @@ ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
 ENV PGDATA /var/lib/postgresql/data
 VOLUME /var/lib/postgresql/data
 
-ADD ./docker-entrypoint.sh /
+COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 
diff --git a/9.0/Dockerfile b/9.0/Dockerfile
index 9658c1145f..9274944985 100644
--- a/9.0/Dockerfile
+++ b/9.0/Dockerfile
@@ -36,7 +36,7 @@ ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
 ENV PGDATA /var/lib/postgresql/data
 VOLUME /var/lib/postgresql/data
 
-ADD ./docker-entrypoint.sh /
+COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 
diff --git a/9.1/Dockerfile b/9.1/Dockerfile
index de4dba7736..b58fbdd6e7 100644
--- a/9.1/Dockerfile
+++ b/9.1/Dockerfile
@@ -36,7 +36,7 @@ ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
 ENV PGDATA /var/lib/postgresql/data
 VOLUME /var/lib/postgresql/data
 
-ADD ./docker-entrypoint.sh /
+COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 
diff --git a/9.2/Dockerfile b/9.2/Dockerfile
index abbe75602d..91bd7a326c 100644
--- a/9.2/Dockerfile
+++ b/9.2/Dockerfile
@@ -36,7 +36,7 @@ ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
 ENV PGDATA /var/lib/postgresql/data
 VOLUME /var/lib/postgresql/data
 
-ADD ./docker-entrypoint.sh /
+COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 
diff --git a/9.3/Dockerfile b/9.3/Dockerfile
index a9ff116e03..487e748bd5 100644
--- a/9.3/Dockerfile
+++ b/9.3/Dockerfile
@@ -36,7 +36,7 @@ ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
 ENV PGDATA /var/lib/postgresql/data
 VOLUME /var/lib/postgresql/data
 
-ADD ./docker-entrypoint.sh /
+COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 
diff --git a/9.4/Dockerfile b/9.4/Dockerfile
index a82357a142..e6942a2fed 100644
--- a/9.4/Dockerfile
+++ b/9.4/Dockerfile
@@ -36,7 +36,7 @@ ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
 ENV PGDATA /var/lib/postgresql/data
 VOLUME /var/lib/postgresql/data
 
-ADD ./docker-entrypoint.sh /
+COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 
diff --git a/Dockerfile.template b/Dockerfile.template
index 0cd09ee548..9d86078a9f 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -36,7 +36,7 @@ ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
 ENV PGDATA /var/lib/postgresql/data
 VOLUME /var/lib/postgresql/data
 
-ADD ./docker-entrypoint.sh /
+COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]