diff --git a/src/content/content-type.cpp b/src/content/content-type.cpp
index 35391783b..e5d58c7a7 100644
--- a/src/content/content-type.cpp
+++ b/src/content/content-type.cpp
@@ -55,6 +55,7 @@ const ContentType ContentType::Sdp("application/sdp");
 ContentType::ContentType (const string &contentType) : Header(*new ContentTypePrivate) {
 	L_D();
 
+	setName("Content-Type");
 	size_t pos = contentType.find('/');
 	size_t posParam = contentType.find(";");
 	size_t end = contentType.length();
@@ -82,11 +83,13 @@ ContentType::ContentType (const string &contentType) : Header(*new ContentTypePr
 			params.erase(0, posParam + 1);
 		} while (posParam != std::string::npos);
 	}
+	setValue(d->type + "/" + d->subType);
 }
 
 ContentType::ContentType (const string &type, const string &subType) : Header(*new ContentTypePrivate) {
 	L_D();
 
+	setName("Content-Type");
 	if (setType(type) && !setSubType(subType))
 		d->type.clear();
 }
@@ -98,6 +101,7 @@ ContentType::ContentType (
 ) : Header(*new ContentTypePrivate) {
 	L_D();
 
+	setName("Content-Type");
 	if (setType(type) && !setSubType(subType))
 		d->type.clear();
 	addParameter(parameter);
@@ -110,6 +114,7 @@ ContentType::ContentType (
 ) : Header(*new ContentTypePrivate) {
 	L_D();
 
+	setName("Content-Type");
 	if (setType(type) && !setSubType(subType))
 		d->type.clear();
 	addParameters(parameters);
@@ -119,6 +124,7 @@ ContentType::ContentType (const ContentType &other) : ContentType(other.getType(
 
 ContentType &ContentType::operator= (const ContentType &other) {
 	if (this != &other) {
+		setName("Content-Type");
 		setType(other.getType());
 		setSubType(other.getSubType());
 		cleanParameters();
@@ -146,6 +152,7 @@ bool ContentType::setType (const string &type) {
 	L_D();
 	if (type.find('/') == string::npos) {
 		d->type = Utils::stringToLower(type);
+		setValue(d->type + "/" + d->subType);
 		return true;
 	}
 	return false;
@@ -160,6 +167,7 @@ bool ContentType::setSubType (const string &subType) {
 	L_D();
 	if (subType.find('/') == string::npos) {
 		d->subType = Utils::stringToLower(subType);
+		setValue(d->type + "/" + d->subType);
 		return true;
 	}
 	return false;
@@ -187,6 +195,11 @@ string ContentType::asString () const {
 	return "";
 }
 
+ostream &operator<<(ostream& stream, const ContentType& contentType) {
+	stream << contentType.asString();
+	return stream;
+}
+
 bool ContentType::isMultipart() const {
 	return getType() == "multipart";
 }
diff --git a/src/content/content-type.h b/src/content/content-type.h
index 2ed267065..10f895e4d 100644
--- a/src/content/content-type.h
+++ b/src/content/content-type.h
@@ -59,6 +59,7 @@ public:
 	bool setSubType (const std::string &subType);
 
 	std::string asString () const;
+	friend std::ostream &operator<<(std::ostream&, const ContentType&);
 
 	bool isMultipart() const;
 
diff --git a/src/content/header/header.cpp b/src/content/header/header.cpp
index 561b7ce05..14ce99f85 100644
--- a/src/content/header/header.cpp
+++ b/src/content/header/header.cpp
@@ -148,4 +148,9 @@ string Header::asString () const {
 	return asString;
 }
 
+ostream &operator<<(ostream& stream, const Header& header) {
+	stream << header.asString();
+	return stream;
+}
+
 LINPHONE_END_NAMESPACE
\ No newline at end of file
diff --git a/src/content/header/header.h b/src/content/header/header.h
index a0b8083fe..5d111900d 100644
--- a/src/content/header/header.h
+++ b/src/content/header/header.h
@@ -59,6 +59,7 @@ public:
 	const HeaderParam &getParameter (const std::string &paramName) const;
 
 	std::string asString () const;
+	friend std::ostream &operator<<(std::ostream&, const Header&);
 
 protected:
 	explicit Header (HeaderPrivate &p);
diff --git a/tester/content-manager-tester.cpp b/tester/content-manager-tester.cpp
index 24c4817d5..52d461ef9 100644
--- a/tester/content-manager-tester.cpp
+++ b/tester/content-manager-tester.cpp
@@ -24,6 +24,7 @@
 #include "content/header/header-param.h"
 #include "liblinphone_tester.h"
 #include "tester_utils.h"
+#include "logger/logger.h"
 
 using namespace LinphonePrivate;
 using namespace std;
@@ -372,6 +373,7 @@ static void content_type_parsing(void) {
 	BC_ASSERT_STRING_EQUAL("\"https://www.linphone.org/img/linphone-open-source-voip-projectX2.png\"", contentType.getParameter("URL").getValue().c_str());
 	BC_ASSERT_STRING_EQUAL("", contentType.getParameter("boundary").getValue().c_str());
 	BC_ASSERT_EQUAL(2, contentType.getParameters().size(), int, "%d");
+	lInfo() << "Content-Type is " << contentType;
 	BC_ASSERT_TRUE(type == contentType.asString());
 
 	type = "multipart/mixed;boundary=-----------------------------14737809831466499882746641450";
@@ -381,6 +383,7 @@ static void content_type_parsing(void) {
 	BC_ASSERT_STRING_EQUAL("-----------------------------14737809831466499882746641450", contentType.getParameter("boundary").getValue().c_str());
 	BC_ASSERT_STRING_EQUAL("", contentType.getParameter("access-type").getValue().c_str());
 	BC_ASSERT_EQUAL(1, contentType.getParameters().size(), int, "%d");
+	lInfo() << "Content-Type is " << contentType;
 	BC_ASSERT_TRUE(type == contentType.asString());
 
 	type = "plain/text";
@@ -389,6 +392,7 @@ static void content_type_parsing(void) {
 	BC_ASSERT_STRING_EQUAL("text", contentType.getSubType().c_str());
 	BC_ASSERT_STRING_EQUAL("", contentType.getParameter("boundary").getValue().c_str());
 	BC_ASSERT_EQUAL(0, contentType.getParameters().size(), int, "%d");
+	lInfo() << "Content-Type is " << contentType;
 	BC_ASSERT_TRUE(type == contentType.asString());
 }