diff --git a/src/Mod/Path/PathScripts/PathJob.py b/src/Mod/Path/PathScripts/PathJob.py
index e1c3ed04a..881aae939 100644
--- a/src/Mod/Path/PathScripts/PathJob.py
+++ b/src/Mod/Path/PathScripts/PathJob.py
@@ -233,7 +233,7 @@ class TaskPanel:
                 self.form.cboBaseObject.addItem(o.Name)
 
         self.postProcessorDefaultTooltip = self.form.cboPostProcessor.toolTip()
-        self.postProcessorDefaultArgsTooltip = self.form.cboPostProcessorArgs.toolTip()
+        self.postProcessorArgsDefaultTooltip = self.form.cboPostProcessorArgs.toolTip()
 
     def accept(self):
         self.getFields()
@@ -252,11 +252,11 @@ class TaskPanel:
                 self.form.cboPostProcessorArgs.setToolTip(self.obj.Proxy.tooltipArgs)
                 self.form.cboPostProcessorArgs.setText(self.obj.PostProcessorArgs)
             else:
-                self.form.cboPostProcessorArgs.setToolTip(self.postProcessorDefaultArgsTooltip)
+                self.form.cboPostProcessorArgs.setToolTip(self.postProcessorArgsDefaultTooltip)
                 self.form.cboPostProcessorArgs.setText('')
         else:
             self.form.cboPostProcessor.setToolTip(self.postProcessorDefaultTooltip)
-            self.form.cboPostProcessorArgs.setToolTip(self.postProcessorDefaultArgsTooltip)
+            self.form.cboPostProcessorArgs.setToolTip(self.postProcessorArgsDefaultTooltip)
             self.form.cboPostProcessorArgs.setText('')
 
     def getFields(self):
diff --git a/src/Mod/Path/PathScripts/PathPreferencesPathJob.py b/src/Mod/Path/PathScripts/PathPreferencesPathJob.py
index d987dd6e5..fd423c4dc 100644
--- a/src/Mod/Path/PathScripts/PathPreferencesPathJob.py
+++ b/src/Mod/Path/PathScripts/PathPreferencesPathJob.py
@@ -32,6 +32,10 @@ class Page:
     def __init__(self, parent=None):
         self.form = FreeCADGui.PySideUic.loadUi(":preferences/PathJob.ui")
 
+        self.postProcessorDefaultTooltip = self.form.defaultPostProcessor.toolTip()
+        self.postProcessorArgsDefaultTooltip = self.form.defaultPostProcessorArgs.toolTip()
+        self.tooltip = { }
+
     def saveSettings(self):
         print("saveSettings")
         processor = str(self.form.defaultPostProcessor.currentText())
@@ -66,3 +70,13 @@ class Page:
 
         self.form.defaultPostProcessorArgs.setText(PostProcessor.defaultArgs())
 
+        self.form.postProcessorList.itemEntered.connect(self.setProcessorListTooltip)
+
+    def setProcessorListTooltip(self, item):
+        if not item.text() in self.tooltip.keys():
+            processor = PostProcessor.load(item.text())
+            if processor.tooltip:
+                self.form.postProcessorList.setToolTip(processor.tooltip)
+            else:
+                self.form.postProcessorList.setToolTip('')
+