diff --git a/include/Nazara/Core/ByteArray.hpp b/include/Nazara/Core/ByteArray.hpp
index 745165e5f..9c0a87733 100644
--- a/include/Nazara/Core/ByteArray.hpp
+++ b/include/Nazara/Core/ByteArray.hpp
@@ -21,6 +21,7 @@ class NAZARA_API NzByteArray : public NzHashable
 		struct SharedArray;
 
 		NzByteArray();
+		explicit NzByteArray(unsigned int size);
 		NzByteArray(const void* buffer, unsigned int size);
 		NzByteArray(const NzByteArray& buffer);
 		NzByteArray(NzByteArray&& buffer) noexcept;
diff --git a/include/Nazara/Core/String.hpp b/include/Nazara/Core/String.hpp
index cb38105eb..bd7ab638a 100644
--- a/include/Nazara/Core/String.hpp
+++ b/include/Nazara/Core/String.hpp
@@ -33,6 +33,7 @@ class NAZARA_API NzString : public NzHashable
 
 		NzString();
 		explicit NzString(char character);
+		explicit NzString(unsigned int length, char character = '\0');
 		NzString(const char* string);
 		NzString(const char* string, unsigned int length);
 		NzString(const std::string& string);
diff --git a/src/Nazara/Core/ByteArray.cpp b/src/Nazara/Core/ByteArray.cpp
index dc30e6c93..18fe58a79 100644
--- a/src/Nazara/Core/ByteArray.cpp
+++ b/src/Nazara/Core/ByteArray.cpp
@@ -29,6 +29,19 @@ m_sharedArray(&emptyArray)
 {
 }
 
+NzByteArray::NzByteArray(unsigned int size)
+{
+	if (size > 0)
+	{
+		m_sharedArray = new SharedArray;
+		m_sharedArray->buffer = new nzUInt8[size];
+		m_sharedArray->capacity = size;
+		m_sharedArray->size = size;
+	}
+	else
+		m_sharedArray = &emptyArray;
+}
+
 NzByteArray::NzByteArray(const void* buffer, unsigned int size)
 {
 	if (size > 0)
diff --git a/src/Nazara/Core/String.cpp b/src/Nazara/Core/String.cpp
index 42d03d61c..f261dcfed 100644
--- a/src/Nazara/Core/String.cpp
+++ b/src/Nazara/Core/String.cpp
@@ -77,9 +77,7 @@ m_sharedString(&emptyString)
 
 NzString::NzString(char character)
 {
-	if (character == '\0')
-		m_sharedString = &emptyString;
-	else
+	if (character != '\0')
 	{
 		m_sharedString = new SharedString;
 		m_sharedString->capacity = 1;
@@ -88,6 +86,26 @@ NzString::NzString(char character)
 		m_sharedString->string[0] = character;
 		m_sharedString->string[1] = '\0';
 	}
+	else
+		m_sharedString = &emptyString;
+}
+
+NzString::NzString(unsigned int length, char character)
+{
+	if (length > 0)
+	{
+		m_sharedString = new SharedString;
+		m_sharedString->capacity = length;
+		m_sharedString->size = length;
+		m_sharedString->string = new char[length+1];
+
+		if (character != '\0')
+			std::memset(m_sharedString->string, character, length);
+
+		m_sharedString->string[length] = '\0';
+	}
+	else
+		m_sharedString = &emptyString;
 }
 
 NzString::NzString(const char* string) :
diff --git a/src/Nazara/Core/StringStream.cpp b/src/Nazara/Core/StringStream.cpp
index 5aafd57fe..994d45b39 100644
--- a/src/Nazara/Core/StringStream.cpp
+++ b/src/Nazara/Core/StringStream.cpp
@@ -163,7 +163,7 @@ NzStringStream& NzStringStream::operator<<(unsigned char character)
 {
 	NazaraLock(m_mutex)
 
-	m_strings.push_back(NzString(character));
+	m_strings.push_back(NzString(static_cast<char>(character)));
 	m_bufferSize++;
 
 	return *this;