diff --git a/tutorial/docs/examples/B3/B3a.ipynb b/tutorial/docs/examples/B3/B3a.ipynb
index 138e8e2..17bdb99 100644
--- a/tutorial/docs/examples/B3/B3a.ipynb
+++ b/tutorial/docs/examples/B3/B3a.ipynb
@@ -243,7 +243,7 @@
     "function endrun(run::G4Run, app::G4JLApplication)::Nothing\n",
     "    partName = app.generator.data.gun |> GetParticleDefinition |> GetParticleName |> String\n",
     "    #---end run action is called for each workwer thread and the master one\n",
-    "    if G4Threading!G4GetThreadId() == -1\n",
+    "    if G4Threading!G4GetThreadId() < 0\n",
     "        data = app.simdata[1]\n",
     "        #---This is the master thread, so we need to add all the simuation results-----------------\n",
     "        for d in app.simdata[2:end]\n",
diff --git a/tutorial/docs/examples/Scintillation/UserActions.jl b/tutorial/docs/examples/Scintillation/UserActions.jl
index 1f70717..4c72267 100644
--- a/tutorial/docs/examples/Scintillation/UserActions.jl
+++ b/tutorial/docs/examples/Scintillation/UserActions.jl
@@ -92,7 +92,7 @@ end
 #---End Run Action---------------------------------------------------------------------------------
 function endrun(run::G4Run, app::G4JLApplication)::Nothing
     #---end run action is called for each workwer thread and the master one
-    if G4Threading!G4GetThreadId() == -1   
+    if G4Threading!G4GetThreadId() < 0   
         data = app.simdata[1]
         #---This is the master thread, so we need to add all the simuation results-----------------
         for d in app.simdata[2:end]
diff --git a/tutorial/docs/examples/TestEm3/TestEm3.ipynb b/tutorial/docs/examples/TestEm3/TestEm3.ipynb
index aadbd66..4e9f7ba 100644
--- a/tutorial/docs/examples/TestEm3/TestEm3.ipynb
+++ b/tutorial/docs/examples/TestEm3/TestEm3.ipynb
@@ -256,7 +256,7 @@
     "#---End Run Action---------------------------------------------------------------------------------\n",
     "function endrun(run::G4Run, app::G4JLApplication)::Nothing\n",
     "    #---end run action is called for each workwer thread and the master onc\n",
-    "    if G4Threading!G4GetThreadId() == -1   \n",
+    "    if G4Threading!G4GetThreadId() < 0   \n",
     "        data = app.simdata[1]\n",
     "        #---This is the master thread, so we need to add all the simuation results-----------------\n",
     "        for d in app.simdata[2:end]\n",