diff --git a/Dockerfile b/Dockerfile
index af7dd4ca1..65b7b46ea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,7 +29,7 @@ RUN go list -f '{{.Path}}@{{.Version}}' -m all | sed 1d | grep -e 'go-cache' -e
 ARG COMMIT_HASH
 ARG GIT_BRANCH
 ARG BUILD_TIMESTAMP
-ARG SEM_VER
+ARG SEM_VER=0.0.0
 
 # Copy and build agent code
 COPY shared ../shared
diff --git a/cli/apiserver/provider.go b/cli/apiserver/provider.go
index 71f1a4cf3..b032cd4c8 100644
--- a/cli/apiserver/provider.go
+++ b/cli/apiserver/provider.go
@@ -5,12 +5,13 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/up9inc/mizu/shared/kubernetes"
 	"io/ioutil"
 	"net/http"
 	"net/url"
 	"time"
 
+	"github.com/up9inc/mizu/shared/kubernetes"
+
 	"github.com/up9inc/mizu/cli/config"
 	"github.com/up9inc/mizu/shared"
 	"github.com/up9inc/mizu/shared/logger"
@@ -28,7 +29,7 @@ const DefaultTimeout = 5 * time.Second
 
 func NewProvider(url string, retries int, timeout time.Duration) *Provider {
 	return &Provider{
-		url: url,
+		url:     url,
 		retries: config.GetIntEnvConfig(config.ApiServerRetries, retries),
 		client: &http.Client{
 			Timeout: timeout,
diff --git a/cli/mizu/version/versionCheck.go b/cli/mizu/version/versionCheck.go
index ceefe0921..63f02ff2c 100644
--- a/cli/mizu/version/versionCheck.go
+++ b/cli/mizu/version/versionCheck.go
@@ -24,6 +24,11 @@ func CheckVersionCompatibility(apiServerProvider *apiserver.Provider) (bool, err
 		return false, err
 	}
 
+	if !semver.SemVersion(apiSemVer).IsValid() {
+		logger.Log.Errorf(uiUtils.Red, fmt.Sprintf("api version (%s) is not a valid SemVer", apiSemVer))
+		return false, nil
+	}
+
 	if semver.SemVersion(apiSemVer).Major() == semver.SemVersion(mizu.SemVer).Major() &&
 		semver.SemVersion(apiSemVer).Minor() == semver.SemVersion(mizu.SemVer).Minor() {
 		return true, nil
diff --git a/debug.Dockerfile b/debug.Dockerfile
index 354351cd3..2c91746d5 100644
--- a/debug.Dockerfile
+++ b/debug.Dockerfile
@@ -28,7 +28,7 @@ RUN go list -f '{{.Path}}@{{.Version}}' -m all | sed 1d | grep -e 'go-cache' -e
 ARG COMMIT_HASH
 ARG GIT_BRANCH
 ARG BUILD_TIMESTAMP
-ARG SEM_VER
+ARG SEM_VER=0.0.0
 
 # Copy and build agent code
 COPY shared ../shared