diff --git a/odoo_openupgrade_wizard/templates/odoo/11.0/Dockerfile b/odoo_openupgrade_wizard/templates/odoo/11.0/Dockerfile
index 73c8130..c4404a2 100644
--- a/odoo_openupgrade_wizard/templates/odoo/11.0/Dockerfile
+++ b/odoo_openupgrade_wizard/templates/odoo/11.0/Dockerfile
@@ -13,7 +13,7 @@ RUN apt-get update && \
 RUN dpkg-reconfigure locales && \
     locale-gen C.UTF-8 && \
     /usr/sbin/update-locale LANG=C.UTF-8
-ENV LC_ALL C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 RUN apt-get update -qq &&  \
     apt-get upgrade -qq -y && \
diff --git a/odoo_openupgrade_wizard/templates/odoo/12.0/Dockerfile b/odoo_openupgrade_wizard/templates/odoo/12.0/Dockerfile
index f9e2c80..8d92257 100644
--- a/odoo_openupgrade_wizard/templates/odoo/12.0/Dockerfile
+++ b/odoo_openupgrade_wizard/templates/odoo/12.0/Dockerfile
@@ -13,7 +13,7 @@ RUN apt-get update && \
 RUN dpkg-reconfigure locales && \
     locale-gen C.UTF-8 && \
     /usr/sbin/update-locale LANG=C.UTF-8
-ENV LC_ALL C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 RUN apt-get update -qq &&  \
     apt-get upgrade -qq -y && \
diff --git a/odoo_openupgrade_wizard/templates/odoo/13.0/Dockerfile b/odoo_openupgrade_wizard/templates/odoo/13.0/Dockerfile
index d2935c3..b98352a 100644
--- a/odoo_openupgrade_wizard/templates/odoo/13.0/Dockerfile
+++ b/odoo_openupgrade_wizard/templates/odoo/13.0/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update && \
 RUN dpkg-reconfigure locales && \
     locale-gen C.UTF-8 && \
     /usr/sbin/update-locale LANG=C.UTF-8
-ENV LC_ALL C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 RUN apt-get update -qq &&  \
     apt-get upgrade -qq -y && \
diff --git a/odoo_openupgrade_wizard/templates/odoo/14.0/Dockerfile b/odoo_openupgrade_wizard/templates/odoo/14.0/Dockerfile
index 59751ee..f3a2ac0 100644
--- a/odoo_openupgrade_wizard/templates/odoo/14.0/Dockerfile
+++ b/odoo_openupgrade_wizard/templates/odoo/14.0/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update && \
 RUN dpkg-reconfigure locales && \
     locale-gen C.UTF-8 && \
     /usr/sbin/update-locale LANG=C.UTF-8
-ENV LC_ALL C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 RUN apt-get update -qq &&  \
     apt-get upgrade -qq -y && \
diff --git a/odoo_openupgrade_wizard/templates/odoo/15.0/Dockerfile b/odoo_openupgrade_wizard/templates/odoo/15.0/Dockerfile
index f5d3860..546f052 100644
--- a/odoo_openupgrade_wizard/templates/odoo/15.0/Dockerfile
+++ b/odoo_openupgrade_wizard/templates/odoo/15.0/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update && \
 RUN dpkg-reconfigure locales && \
     locale-gen C.UTF-8 && \
     /usr/sbin/update-locale LANG=C.UTF-8
-ENV LC_ALL C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 RUN apt-get update -qq &&  \
     apt-get upgrade -qq -y && \
diff --git a/odoo_openupgrade_wizard/templates/odoo/16.0/Dockerfile b/odoo_openupgrade_wizard/templates/odoo/16.0/Dockerfile
index 6779c90..6d1ce7d 100644
--- a/odoo_openupgrade_wizard/templates/odoo/16.0/Dockerfile
+++ b/odoo_openupgrade_wizard/templates/odoo/16.0/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update && \
 RUN dpkg-reconfigure locales && \
     locale-gen C.UTF-8 && \
     /usr/sbin/update-locale LANG=C.UTF-8
-ENV LC_ALL C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 RUN apt-get update -qq &&  \
     apt-get upgrade -qq -y && \
diff --git a/odoo_openupgrade_wizard/templates/odoo/17.0/Dockerfile b/odoo_openupgrade_wizard/templates/odoo/17.0/Dockerfile
index e76f92f..db0fe1b 100644
--- a/odoo_openupgrade_wizard/templates/odoo/17.0/Dockerfile
+++ b/odoo_openupgrade_wizard/templates/odoo/17.0/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update && \
 RUN dpkg-reconfigure locales && \
     locale-gen C.UTF-8 && \
     /usr/sbin/update-locale LANG=C.UTF-8
-ENV LC_ALL C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 RUN apt-get update -qq &&  \
     apt-get upgrade -qq -y && \
diff --git a/odoo_openupgrade_wizard/templates/odoo/18.0/Dockerfile b/odoo_openupgrade_wizard/templates/odoo/18.0/Dockerfile
index d6ec8bc..7f0db7a 100644
--- a/odoo_openupgrade_wizard/templates/odoo/18.0/Dockerfile
+++ b/odoo_openupgrade_wizard/templates/odoo/18.0/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update && \
 RUN dpkg-reconfigure locales && \
     locale-gen C.UTF-8 && \
     /usr/sbin/update-locale LANG=C.UTF-8
-ENV LC_ALL C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 RUN apt-get update -qq &&  \
     apt-get upgrade -qq -y && \