diff --git a/internal/client/request.go b/internal/client/request.go
index 7b0103df..6eb203f9 100644
--- a/internal/client/request.go
+++ b/internal/client/request.go
@@ -23,6 +23,7 @@ import (
 	"io"
 	"net/http"
 	"net/url"
+	"strings"
 )
 
 // Request wrap the http.Request configuration providing functions for configure it in an easier and contained way
@@ -134,7 +135,7 @@ func (r *Request) Error() error {
 func (r *Request) URL() *url.URL {
 	url := *r.restClient.baseURL
 
-	url.Path = r.apiPath
+	url.Path = strings.TrimSuffix(url.Path, "/") + r.apiPath
 	url.RawQuery = r.params.Encode()
 
 	return &url
diff --git a/internal/client/request_test.go b/internal/client/request_test.go
index d06fb0fd..684bba2f 100644
--- a/internal/client/request_test.go
+++ b/internal/client/request_test.go
@@ -98,6 +98,40 @@ func TestSetParams(t *testing.T) {
 	assert.Equal(t, url.Values{"foo": []string{"bar"}, "baz": []string{"1", "2"}}, r.params)
 }
 
+func TestRequestURL(t *testing.T) {
+	testCases := map[string]struct {
+		baseURL     string
+		apiPath     string
+		expectedURL string
+	}{
+		"no base path": {
+			baseURL:     "http://host/",
+			apiPath:     "/api/backend/projects/",
+			expectedURL: "http://host/api/backend/projects/",
+		},
+		"with base path prefix": {
+			baseURL:     "http://host/mia/",
+			apiPath:     "/api/backend/projects/",
+			expectedURL: "http://host/mia/api/backend/projects/",
+		},
+		"base path without trailing slash": {
+			baseURL:     "http://host/mia",
+			apiPath:     "/api/backend/projects/",
+			expectedURL: "http://host/mia/api/backend/projects/",
+		},
+	}
+
+	for testName, testCase := range testCases {
+		t.Run(testName, func(t *testing.T) {
+			baseURL, err := url.Parse(testCase.baseURL)
+			require.NoError(t, err)
+			client := newAPIClient(baseURL, contentConfig{}, http.DefaultClient)
+			requestURL := NewRequest(client).APIPath(testCase.apiPath).URL()
+			assert.Equal(t, testCase.expectedURL, requestURL.String())
+		})
+	}
+}
+
 func TestSetAPIPath(t *testing.T) {
 	r := (&Request{})
 
diff --git a/internal/transport/round_trippers.go b/internal/transport/round_trippers.go
index e131e89f..044f641e 100644
--- a/internal/transport/round_trippers.go
+++ b/internal/transport/round_trippers.go
@@ -115,7 +115,7 @@ func printCurl(r *http.Request) string {
 	for key, values := range r.Header {
 		for _, value := range values {
 			value = maskSensibleHeaderValue(key, value)
-			builder.WriteString(fmt.Sprintf("\t-H %q\n", fmt.Sprintf("%s: %s", key, value)))
+			fmt.Fprintf(&builder, "\t-H %q\n", fmt.Sprintf("%s: %s", key, value))
 		}
 	}