diff --git a/build/images/dfdaemon/Dockerfile b/build/images/dfdaemon/Dockerfile
index b773183c7..893386803 100644
--- a/build/images/dfdaemon/Dockerfile
+++ b/build/images/dfdaemon/Dockerfile
@@ -16,7 +16,7 @@ RUN make build-dfget && make install-dfget
 
 FROM ${BASE_IMAGE} AS health
 
-ENV GRPC_HEALTH_PROBE_VERSION v0.4.24
+ENV GRPC_HEALTH_PROBE_VERSION=v0.4.24
 
 RUN if [ "$(uname -m)" = "ppc64le" ]; then \
     wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-ppc64le; \
diff --git a/build/images/manager/Dockerfile b/build/images/manager/Dockerfile
index e2e145261..e207127c4 100644
--- a/build/images/manager/Dockerfile
+++ b/build/images/manager/Dockerfile
@@ -30,7 +30,7 @@ RUN make build-manager-server && make install-manager
 
 FROM ${BASE_IMAGE} AS health
 
-ENV GRPC_HEALTH_PROBE_VERSION v0.4.24
+ENV GRPC_HEALTH_PROBE_VERSION=v0.4.24
 
 RUN if [ "$(uname -m)" = "ppc64le" ]; then \
     wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-ppc64le; \
diff --git a/build/images/scheduler/Dockerfile b/build/images/scheduler/Dockerfile
index 4a57aeaaa..24a87cbee 100644
--- a/build/images/scheduler/Dockerfile
+++ b/build/images/scheduler/Dockerfile
@@ -16,7 +16,7 @@ RUN make build-scheduler && make install-scheduler
 
 FROM ${BASE_IMAGE} AS health
 
-ENV GRPC_HEALTH_PROBE_VERSION v0.4.24
+ENV GRPC_HEALTH_PROBE_VERSION=v0.4.24
 
 RUN if [ "$(uname -m)" = "ppc64le" ]; then \
     wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-ppc64le; \