diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 77904d2..0ef0f22 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -102,7 +102,7 @@ add_custom_command(
  
 
 set (PIPEDAL_SOURCES
-    StdOutCapture.hpp StdOutCapture.cpp
+    StdErrorCapture.hpp StdErrorCapture.cpp
     Ipv6Helpers.cpp Ipv6Helpers.hpp
     PluginPreset.cpp PluginPreset.hpp
     CpuGovernor.cpp CpuGovernor.hpp
diff --git a/src/Lv2Host.cpp b/src/Lv2Host.cpp
index 69f62d9..68d5f62 100644
--- a/src/Lv2Host.cpp
+++ b/src/Lv2Host.cpp
@@ -41,7 +41,7 @@
 #include "lv2/lv2plug.in/ns/ext/port-groups/port-groups.h"
 #include <fstream>
 #include "PiPedalException.hpp"
-#include "StdOutCapture.hpp"
+#include "StdErrorCapture.hpp"
 
 #include "Locale.hpp"
 
@@ -391,7 +391,7 @@ void Lv2Host::Load(const char *lv2Path)
     free_world();
 
     setenv("LV2_PATH", lv2Path, true);
-    StdOutCapture stdoutCapture;  // captures lilv messages written to STDOUT.
+    StdErrorCapture stdoutCapture;  // captures lilv messages written to STDOUT.
     pWorld = lilv_world_new();
     {
 
diff --git a/src/StdOutCapture.cpp b/src/StdErrorCapture.cpp
similarity index 87%
rename from src/StdOutCapture.cpp
rename to src/StdErrorCapture.cpp
index c27be3a..66d8c95 100644
--- a/src/StdOutCapture.cpp
+++ b/src/StdErrorCapture.cpp
@@ -18,7 +18,7 @@
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 
-#include "StdOutCapture.hpp"
+#include "StdErrorCapture.hpp"
 #include <cstdio>
 #include <unistd.h>
 #include <fcntl.h>
@@ -38,18 +38,19 @@
 using namespace pipedal;
 
 constexpr int STDOUT_HANDLE = 2;
-StdOutCapture::StdOutCapture()
+StdErrorCapture::StdErrorCapture()
 {
-    this->tempFileName = std::tmpnam(nullptr);
+    char filename[] = "/tmp/pipedal.XXXXXX";
+    int redirectHandle = mkstemp(filename);
+    this->tempFileName = filename;
 
-    int redirectHandle = open(tempFileName.c_str(),O_CREAT | O_WRONLY | O_TRUNC);
     this->oldStdout = dup(STDOUT_HANDLE);
     dup2(redirectHandle,STDOUT_HANDLE);
     close(redirectHandle);
 
 
 }
-StdOutCapture::~StdOutCapture()
+StdErrorCapture::~StdErrorCapture()
 {
     EndCapture();
     if (tempFileName.length() != 0)
@@ -58,7 +59,7 @@ StdOutCapture::~StdOutCapture()
     }
 }
 
-void StdOutCapture::EndCapture()
+void StdErrorCapture::EndCapture()
 {
 
     if (this->oldStdout != -1)
@@ -70,7 +71,7 @@ void StdOutCapture::EndCapture()
     }
 }
 
-std::vector<std::string> StdOutCapture::GetOutputLines() {
+std::vector<std::string> StdErrorCapture::GetOutputLines() {
     EndCapture();
 
     std::vector<std::string> result;
diff --git a/src/StdOutCapture.hpp b/src/StdErrorCapture.hpp
similarity index 93%
rename from src/StdOutCapture.hpp
rename to src/StdErrorCapture.hpp
index ed8c5c7..72de8b4 100644
--- a/src/StdOutCapture.hpp
+++ b/src/StdErrorCapture.hpp
@@ -20,13 +20,14 @@
 #pragma once
 
 #include <string>
+#include <vector>
 
 namespace pipedal {
     
-class StdOutCapture {
+class StdErrorCapture {
 public:
-    StdOutCapture();
-    ~StdOutCapture();
+    StdErrorCapture();
+    ~StdErrorCapture();
 
     void EndCapture();