diff --git a/probe/base/base_test.go b/probe/base/base_test.go
index 06b65ab3..f839a6b7 100644
--- a/probe/base/base_test.go
+++ b/probe/base/base_test.go
@@ -218,13 +218,13 @@ func TestStatusThreshold2(t *testing.T) {
 	p.ProbeResult.Status = probe.StatusUp
 
 	p.ProbeFunc = func() (bool, string) {
-		return true, fmt.Sprintf("success")
+		return true, "success"
 	}
 	p.Probe()
 	assert.Equal(t, probe.StatusUp, p.Result().Status)
 
 	p.ProbeFunc = func() (bool, string) {
-		return false, fmt.Sprintf("failure")
+		return false, "failure"
 	}
 	p.Probe()
 	assert.Equal(t, probe.StatusUp, p.Result().Status)
@@ -234,7 +234,7 @@ func TestStatusThreshold2(t *testing.T) {
 	assert.Equal(t, probe.StatusDown, p.Result().Status)
 
 	p.ProbeFunc = func() (bool, string) {
-		return true, fmt.Sprintf("success")
+		return true, "success"
 	}
 	p.Probe()
 	assert.Equal(t, probe.StatusUp, p.Result().Status)
diff --git a/probe/http/http.go b/probe/http/http.go
index c8f4fab8..8b42a045 100644
--- a/probe/http/http.go
+++ b/probe/http/http.go
@@ -257,7 +257,7 @@ func (h *HTTP) DoProbe() (bool, string) {
 		}
 		if !result {
 			log.Errorf("[%s / %s] - expression is evaluated to false!", h.ProbeKind, h.ProbeName)
-			message += fmt.Sprintf(". Expression is evaluated to false!")
+			message += ". Expression is evaluated to false!"
 			for k, v := range h.Evaluator.ExtractedValues {
 				message += fmt.Sprintf(" [%s = %v]", k, v)
 				log.Debugf("[%s / %s] - Expression Value: [%s] = [%v]", h.ProbeKind, h.ProbeName, k, v)