diff --git a/src/Nazara/Core/Posix/DirectoryImpl.cpp b/src/Nazara/Core/Posix/DirectoryImpl.cpp
index 4ca449d6b..1af975b3f 100644
--- a/src/Nazara/Core/Posix/DirectoryImpl.cpp
+++ b/src/Nazara/Core/Posix/DirectoryImpl.cpp
@@ -45,7 +45,7 @@ bool NzDirectoryImpl::NextResult()
 	else
 	{
 		if (errno != ENOENT)
-			NazaraError("Unable to get next result: " + NzGetLastSystemError());
+			NazaraError("Unable to get next result: " + NzError::GetLastSystemError());
 
 		return false;
 	}
@@ -56,7 +56,7 @@ bool NzDirectoryImpl::Open(const NzString& dirPath)
 	m_handle = opendir(dirPath.GetConstBuffer());
 	if (!m_handle)
 	{
-		NazaraError("Unable to open directory: " + NzGetLastSystemError());
+		NazaraError("Unable to open directory: " + NzError::GetLastSystemError());
 		return false;
 	}
 
@@ -87,7 +87,7 @@ NzString NzDirectoryImpl::GetCurrent()
 	if (getcwd(path, _PC_PATH_MAX))
 		currentPath = path;
 	else
-		NazaraError("Unable to get current directory: " + NzGetLastSystemError());
+		NazaraError("Unable to get current directory: " + NzError::GetLastSystemError());
 
 	delete[] path;
 
diff --git a/src/Nazara/Core/Posix/FileImpl.cpp b/src/Nazara/Core/Posix/FileImpl.cpp
index 60fbb8765..645072c6f 100644
--- a/src/Nazara/Core/Posix/FileImpl.cpp
+++ b/src/Nazara/Core/Posix/FileImpl.cpp
@@ -39,7 +39,7 @@ bool NzFileImpl::EndOfFile() const
 void NzFileImpl::Flush()
 {
 	if (fsync(m_fileDescriptor) == -1)
-		NazaraError("Unable to flush file: " + NzGetLastSystemError());
+		NazaraError("Unable to flush file: " + NzError::GetLastSystemError());
 }
 
 nzUInt64 NzFileImpl::GetCursorPos() const
@@ -143,7 +143,7 @@ bool NzFileImpl::Copy(const NzString& sourcePath, const NzString& targetPath)
 	int fd1 = open64(sourcePath.GetConstBuffer(), O_RDONLY);
 	if (fd1 == -1)
 	{
-		NazaraError("Fail to open input file (" + sourcePath + "): " + NzGetLastSystemError());
+		NazaraError("Fail to open input file (" + sourcePath + "): " + NzError::GetLastSystemError());
 		return false;
 	}
 
@@ -151,7 +151,7 @@ bool NzFileImpl::Copy(const NzString& sourcePath, const NzString& targetPath)
 	int fd2 = open64(targetPath.GetConstBuffer(), O_WRONLY | O_TRUNC, permissions);
 	if (fd2 == -1)
 	{
-		NazaraError("Fail to open output file (" + targetPath + "): " + NzGetLastSystemError()); // TODO: more info ?
+		NazaraError("Fail to open output file (" + targetPath + "): " + NzError::GetLastSystemError()); // TODO: more info ?
 		close(fd1);
 		return false;
 	}
@@ -165,7 +165,7 @@ bool NzFileImpl::Copy(const NzString& sourcePath, const NzString& targetPath)
 		{
 			close(fd1);
 			close(fd2);
-			NazaraError("An error occured from copy : " + NzGetLastSystemError());
+			NazaraError("An error occured from copy : " + NzError::GetLastSystemError());
 			return false;
 		}
 		write(fd2,buffer,bytes);
@@ -185,7 +185,7 @@ bool NzFileImpl::Delete(const NzString& filePath)
 		return true;
 	else
 	{
-		NazaraError("Failed to delete file (" + filePath + "): " + NzGetLastSystemError());
+		NazaraError("Failed to delete file (" + filePath + "): " + NzError::GetLastSystemError());
 		return false;
 	}
 }
@@ -238,7 +238,7 @@ bool NzFileImpl::Rename(const NzString& sourcePath, const NzString& targetPath)
 		return true;
 	else
 	{
-		NazaraError("Unable to rename file: " + NzGetLastSystemError());
+		NazaraError("Unable to rename file: " + NzError::GetLastSystemError());
 		return false;
 	}
 }
diff --git a/src/Nazara/Core/Posix/SemaphoreImpl.cpp b/src/Nazara/Core/Posix/SemaphoreImpl.cpp
index c948b6f30..1b0264a45 100644
--- a/src/Nazara/Core/Posix/SemaphoreImpl.cpp
+++ b/src/Nazara/Core/Posix/SemaphoreImpl.cpp
@@ -12,7 +12,7 @@
 NzSemaphoreImpl::NzSemaphoreImpl(unsigned int count)
 {
 	if(sem_init(&m_semaphore, 0, count) != 0)
-		NazaraError("Failed to create semaphore: " + NzGetLastSystemError());
+		NazaraError("Failed to create semaphore: " + NzError::GetLastSystemError());
 }
 
 NzSemaphoreImpl::~NzSemaphoreImpl()
@@ -31,7 +31,7 @@ void NzSemaphoreImpl::Post()
 {
 	#if NAZARA_CORE_SAFE
 	if (sem_post(&m_semaphore)==-1)
-		NazaraError("Failed to release semaphore: " + NzGetLastSystemError());
+		NazaraError("Failed to release semaphore: " + NzError::GetLastSystemError());
 	#else
 	sem_post(&m_semaphore);
 	#endif
@@ -41,7 +41,7 @@ void NzSemaphoreImpl::Wait()
 {
 	#if NAZARA_CORE_SAFE
 	if (sem_wait(&m_semaphore) == -1 )
-		NazaraError("Failed to wait for semaphore: " + NzGetLastSystemError());
+		NazaraError("Failed to wait for semaphore: " + NzError::GetLastSystemError());
 	#else
 	sem_wait(&m_semaphore);
 	#endif
@@ -60,7 +60,7 @@ bool NzSemaphoreImpl::Wait(nzUInt32 timeout)
 	#if NAZARA_CORE_SAFE
 	if (sem_timedwait(&m_semaphore, &ti) != 0)
 	{
-		NazaraError("Failed to wait for semaphore: " + NzGetLastSystemError());
+		NazaraError("Failed to wait for semaphore: " + NzError::GetLastSystemError());
 		return false;
 	}
 
diff --git a/src/Nazara/Core/Posix/ThreadImpl.cpp b/src/Nazara/Core/Posix/ThreadImpl.cpp
index f1e1f08a1..006a02d09 100644
--- a/src/Nazara/Core/Posix/ThreadImpl.cpp
+++ b/src/Nazara/Core/Posix/ThreadImpl.cpp
@@ -13,7 +13,7 @@ NzThreadImpl::NzThreadImpl(NzFunctor* functor)
 {
     int error = pthread_create(&m_handle, nullptr, &NzThreadImpl::ThreadProc, functor);
 	if (error != 0)
-		NazaraInternalError("Failed to create thread: " + NzGetLastSystemError());
+		NazaraInternalError("Failed to create thread: " + NzError::GetLastSystemError());
 }
 
 void NzThreadImpl::Detach()