diff --git a/GNUmakefile b/GNUmakefile
index 8844e8eda..85ddb724a 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -17,8 +17,12 @@ build: fmtcheck
 fmtcheck:
 	@sh -c "'$(CURDIR)/scripts/gofmtcheck.sh'"
 
+.PHONY: vet
+vet: fmtcheck
+	go vet $(TEST)
+
 .PHONY: test
-test: fmtcheck
+test: fmtcheck vet
 	go test $(TEST) -count 1 -timeout=30s -parallel=4
 
 .PHONY: testacc
diff --git a/outscale/data_source_outscale_load_balancer_listener_rule.go b/outscale/data_source_outscale_load_balancer_listener_rule.go
index 390a7a10c..fae253897 100644
--- a/outscale/data_source_outscale_load_balancer_listener_rule.go
+++ b/outscale/data_source_outscale_load_balancer_listener_rule.go
@@ -148,14 +148,10 @@ func DataSourceOutscaleLoadBalancerLDRuleRead(d *schema.ResourceData, meta inter
 
 	if lr.Priority != nil {
 		d.Set("priority", lr.Priority)
-	} else {
-		fmt.Errorf("Malformated listener rule")
 	}
 
 	if lr.VmIds != nil {
 		d.Set("vm_ids", utils.StringSlicePtrToInterfaceSlice(lr.VmIds))
-	} else {
-		fmt.Errorf("Malformated listener rule")
 	}
 
 	d.SetId(resource.UniqueId())
diff --git a/outscale/data_source_outscale_load_balancer_listener_rules.go b/outscale/data_source_outscale_load_balancer_listener_rules.go
index 144c26f3f..7b4c1e671 100644
--- a/outscale/data_source_outscale_load_balancer_listener_rules.go
+++ b/outscale/data_source_outscale_load_balancer_listener_rules.go
@@ -161,14 +161,10 @@ func DataSourceOutscaleLoadBalancerLDRulesRead(d *schema.ResourceData, meta inte
 
 		if lr.Priority != nil {
 			l["priority"] = lr.Priority
-		} else {
-			fmt.Errorf("Malformated listener rule")
 		}
 
 		if lr.VmIds != nil {
 			l["vm_ids"] = utils.StringSlicePtrToInterfaceSlice(lr.VmIds)
-		} else {
-			fmt.Errorf("Malformated listener rule")
 		}
 		lrs_ret[k] = l
 	}
diff --git a/outscale/resource_outscale_load_balancer_vms.go b/outscale/resource_outscale_load_balancer_vms.go
index 495a44877..919623fbd 100644
--- a/outscale/resource_outscale_load_balancer_vms.go
+++ b/outscale/resource_outscale_load_balancer_vms.go
@@ -90,7 +90,7 @@ func ResourceLBUAttachmentRead(d *schema.ResourceData, meta interface{}) error {
 
 	if managed.Len() == 0 {
 		log.Printf("[WARN] not expected attachments found in LBU %s", lbuName)
-		log.Printf("[WARN] lbu current attachments are %#v", all_backends)
+		log.Printf("[WARN] lbu current attachments are %#v", &all_backends)
 		log.Printf("[WARN] we would manage only these attachments %#v", expected)
 		log.Printf("[WARN] no managed attachments are present.")
 		d.SetId("")