diff --git a/ecs/pkg/amazon/backend/cloudformation.go b/ecs/pkg/amazon/backend/cloudformation.go
index 3df5b8ab..5a096237 100644
--- a/ecs/pkg/amazon/backend/cloudformation.go
+++ b/ecs/pkg/amazon/backend/cloudformation.go
@@ -40,6 +40,7 @@ func (c *FargateCompatibilityChecker) CheckPortsPublished(p *types.ServicePortCo
 	}
 	if p.Published != p.Target {
 		c.Error("published port can't be set to a distinct value than container port")
+		p.Published = p.Target
 	}
 }
 
diff --git a/ecs/pkg/amazon/backend/convert.go b/ecs/pkg/amazon/backend/convert.go
index 0eace3a6..196ff9ac 100644
--- a/ecs/pkg/amazon/backend/convert.go
+++ b/ecs/pkg/amazon/backend/convert.go
@@ -17,6 +17,10 @@ import (
 )
 
 func Convert(project *types.Project, service types.ServiceConfig) (*ecs.TaskDefinition, error) {
+	if service.Image == "" {
+		return nil, fmt.Errorf("service %s doesn't define a Docker image to run", service.Name)
+	}
+
 	cpu, mem, err := toLimits(service)
 	if err != nil {
 		return nil, err