diff --git a/docker/Dockerfile.base.rhel9 b/docker/Dockerfile.base.rhel9
index 03b4ccac91..dee50127ac 100644
--- a/docker/Dockerfile.base.rhel9
+++ b/docker/Dockerfile.base.rhel9
@@ -67,7 +67,7 @@ RUN rm -f /etc/rhsm-host && \
 
 # Add "Tini - A tiny but valid init for containers", https://github.com/krallin/tini
 # it will be copied into target containers, to print exit numbers and handle signals properly
-ENV TINI_VERSION v0.19.0
+ENV TINI_VERSION=v0.19.0
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
 RUN chmod +x /tini
 
diff --git a/docker/Dockerfile.base.rocky b/docker/Dockerfile.base.rocky
index 5b5debd862..0e9d630bac 100644
--- a/docker/Dockerfile.base.rocky
+++ b/docker/Dockerfile.base.rocky
@@ -48,7 +48,7 @@ RUN dnf install 'dnf-command(config-manager)' -y && \
 
 # Add "Tini - A tiny but valid init for containers", https://github.com/krallin/tini
 # it will be copied into target containers, to print exit numbers and handle signals properly
-ENV TINI_VERSION v0.19.0
+ENV TINI_VERSION=v0.19.0
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
 RUN chmod +x /tini
 
diff --git a/docker/Dockerfile.base.ubuntu22 b/docker/Dockerfile.base.ubuntu22
index d1b90e2dcf..f23cf01ac0 100644
--- a/docker/Dockerfile.base.ubuntu22
+++ b/docker/Dockerfile.base.ubuntu22
@@ -57,7 +57,7 @@ RUN apt-get update && \
 
 # Add "Tini - A tiny but valid init for containers", https://github.com/krallin/tini
 # it will be copied into target containers, to print exit numbers and handle signals properly
-ENV TINI_VERSION v0.19.0
+ENV TINI_VERSION=v0.19.0
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
 RUN chmod +x /tini
 
diff --git a/docker/Dockerfile.base.ubuntu22.cross-arm64 b/docker/Dockerfile.base.ubuntu22.cross-arm64
index 2be24289f5..74af391660 100644
--- a/docker/Dockerfile.base.ubuntu22.cross-arm64
+++ b/docker/Dockerfile.base.ubuntu22.cross-arm64
@@ -74,7 +74,7 @@ RUN apt-get update && \
 
 # Add "Tini - A tiny but valid init for containers", https://github.com/krallin/tini
 # it will be copied into target containers, to print exit numbers and handle signals properly
-ENV TINI_VERSION v0.19.0
+ENV TINI_VERSION=v0.19.0
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
 RUN chmod +x /tini