diff --git a/src/profiling/LabelsAndEventClasses.cpp b/src/profiling/LabelsAndEventClasses.cpp
index 6b6a190..fe6d119 100644
--- a/src/profiling/LabelsAndEventClasses.cpp
+++ b/src/profiling/LabelsAndEventClasses.cpp
@@ -21,6 +21,7 @@
 std::string LabelsAndEventClasses::BACKENDID_LABEL("backendId");
 std::string LabelsAndEventClasses::CHILD_LABEL("child");
 std::string LabelsAndEventClasses::EXECUTION_OF_LABEL("execution_of");
+std::string LabelsAndEventClasses::PROCESS_ID_LABEL("processId");
 
 ProfilingStaticGuid LabelsAndEventClasses::EMPTY_GUID(0);
 ProfilingStaticGuid LabelsAndEventClasses::NAME_GUID(
@@ -35,6 +36,8 @@
     m_GuidGenerator.GenerateStaticId(LabelsAndEventClasses::CHILD_LABEL));
 ProfilingStaticGuid LabelsAndEventClasses::EXECUTION_OF_GUID(
     m_GuidGenerator.GenerateStaticId(LabelsAndEventClasses::EXECUTION_OF_LABEL));
+ProfilingStaticGuid LabelsAndEventClasses::PROCESS_ID_GUID(
+    m_GuidGenerator.GenerateStaticId(LabelsAndEventClasses::PROCESS_ID_LABEL));
 
 // Common types
 std::string LabelsAndEventClasses::LAYER("layer");