diff --git a/8.4/docker-entrypoint.sh b/8.4/docker-entrypoint.sh
index cd78dd8450..da128fc38f 100755
--- a/8.4/docker-entrypoint.sh
+++ b/8.4/docker-entrypoint.sh
@@ -31,7 +31,7 @@ if [ "$1" = 'postgres' ]; then
 		: ${POSTGRES_USER:=postgres}
 		: ${POSTGRES_DB:=$POSTGRES_USER}
 
-		if [ ! "$POSTGRES_DB" = 'postgres' ]; then
+		if [ "$POSTGRES_DB" != 'postgres' ]; then
 			gosu postgres postgres --single -jE <<-EOSQL
 				CREATE DATABASE "$POSTGRES_DB" ;
 			EOSQL
diff --git a/9.0/docker-entrypoint.sh b/9.0/docker-entrypoint.sh
index cd78dd8450..da128fc38f 100755
--- a/9.0/docker-entrypoint.sh
+++ b/9.0/docker-entrypoint.sh
@@ -31,7 +31,7 @@ if [ "$1" = 'postgres' ]; then
 		: ${POSTGRES_USER:=postgres}
 		: ${POSTGRES_DB:=$POSTGRES_USER}
 
-		if [ ! "$POSTGRES_DB" = 'postgres' ]; then
+		if [ "$POSTGRES_DB" != 'postgres' ]; then
 			gosu postgres postgres --single -jE <<-EOSQL
 				CREATE DATABASE "$POSTGRES_DB" ;
 			EOSQL
diff --git a/9.1/docker-entrypoint.sh b/9.1/docker-entrypoint.sh
index cd78dd8450..da128fc38f 100755
--- a/9.1/docker-entrypoint.sh
+++ b/9.1/docker-entrypoint.sh
@@ -31,7 +31,7 @@ if [ "$1" = 'postgres' ]; then
 		: ${POSTGRES_USER:=postgres}
 		: ${POSTGRES_DB:=$POSTGRES_USER}
 
-		if [ ! "$POSTGRES_DB" = 'postgres' ]; then
+		if [ "$POSTGRES_DB" != 'postgres' ]; then
 			gosu postgres postgres --single -jE <<-EOSQL
 				CREATE DATABASE "$POSTGRES_DB" ;
 			EOSQL
diff --git a/9.2/docker-entrypoint.sh b/9.2/docker-entrypoint.sh
index cd78dd8450..da128fc38f 100755
--- a/9.2/docker-entrypoint.sh
+++ b/9.2/docker-entrypoint.sh
@@ -31,7 +31,7 @@ if [ "$1" = 'postgres' ]; then
 		: ${POSTGRES_USER:=postgres}
 		: ${POSTGRES_DB:=$POSTGRES_USER}
 
-		if [ ! "$POSTGRES_DB" = 'postgres' ]; then
+		if [ "$POSTGRES_DB" != 'postgres' ]; then
 			gosu postgres postgres --single -jE <<-EOSQL
 				CREATE DATABASE "$POSTGRES_DB" ;
 			EOSQL
diff --git a/9.3/docker-entrypoint.sh b/9.3/docker-entrypoint.sh
index cd78dd8450..da128fc38f 100755
--- a/9.3/docker-entrypoint.sh
+++ b/9.3/docker-entrypoint.sh
@@ -31,7 +31,7 @@ if [ "$1" = 'postgres' ]; then
 		: ${POSTGRES_USER:=postgres}
 		: ${POSTGRES_DB:=$POSTGRES_USER}
 
-		if [ ! "$POSTGRES_DB" = 'postgres' ]; then
+		if [ "$POSTGRES_DB" != 'postgres' ]; then
 			gosu postgres postgres --single -jE <<-EOSQL
 				CREATE DATABASE "$POSTGRES_DB" ;
 			EOSQL
diff --git a/9.4/docker-entrypoint.sh b/9.4/docker-entrypoint.sh
index cd78dd8450..da128fc38f 100755
--- a/9.4/docker-entrypoint.sh
+++ b/9.4/docker-entrypoint.sh
@@ -31,7 +31,7 @@ if [ "$1" = 'postgres' ]; then
 		: ${POSTGRES_USER:=postgres}
 		: ${POSTGRES_DB:=$POSTGRES_USER}
 
-		if [ ! "$POSTGRES_DB" = 'postgres' ]; then
+		if [ "$POSTGRES_DB" != 'postgres' ]; then
 			gosu postgres postgres --single -jE <<-EOSQL
 				CREATE DATABASE "$POSTGRES_DB" ;
 			EOSQL
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index cd78dd8450..da128fc38f 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -31,7 +31,7 @@ if [ "$1" = 'postgres' ]; then
 		: ${POSTGRES_USER:=postgres}
 		: ${POSTGRES_DB:=$POSTGRES_USER}
 
-		if [ ! "$POSTGRES_DB" = 'postgres' ]; then
+		if [ "$POSTGRES_DB" != 'postgres' ]; then
 			gosu postgres postgres --single -jE <<-EOSQL
 				CREATE DATABASE "$POSTGRES_DB" ;
 			EOSQL