diff --git a/modules/juce_gui_basics/properties/juce_ChoicePropertyComponent.cpp b/modules/juce_gui_basics/properties/juce_ChoicePropertyComponent.cpp
index 3b952745a4..9e1d7277c9 100644
--- a/modules/juce_gui_basics/properties/juce_ChoicePropertyComponent.cpp
+++ b/modules/juce_gui_basics/properties/juce_ChoicePropertyComponent.cpp
@@ -115,7 +115,7 @@ public:
 private:
     void valueChanged (Value&) override { sendChangeMessage (true); }
 
-    ValueWithDefault* valueWithDefault;
+    ValueWithDefault* valueWithDefault = nullptr;
     Value sourceValue;
     Array<var> mappings;
 
diff --git a/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.cpp b/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.cpp
index 549ac4d482..0bc7bc1bbc 100644
--- a/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.cpp
+++ b/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.cpp
@@ -191,7 +191,7 @@ private:
     }
 
     //==============================================================================
-    ValueWithDefault* valueWithDefault;
+    ValueWithDefault* valueWithDefault = nullptr;
     var varToControl;
     Value sourceValue;
 
diff --git a/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.h b/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.h
index 1c0c126a2a..894290a68d 100644
--- a/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.h
+++ b/modules/juce_gui_basics/properties/juce_MultiChoicePropertyComponent.h
@@ -119,7 +119,7 @@ private:
     void lookAndFeelChanged() override;
 
     //==============================================================================
-    ValueWithDefault* valueWithDefault;
+    ValueWithDefault* valueWithDefault = nullptr;
 
     int maxHeight = 0;
     int numHidden = 0;
diff --git a/modules/juce_gui_basics/properties/juce_TextPropertyComponent.cpp b/modules/juce_gui_basics/properties/juce_TextPropertyComponent.cpp
index 2238ad07c3..8960a64355 100644
--- a/modules/juce_gui_basics/properties/juce_TextPropertyComponent.cpp
+++ b/modules/juce_gui_basics/properties/juce_TextPropertyComponent.cpp
@@ -143,7 +143,7 @@ public:
     }
 
 private:
-    ValueWithDefault* valueWithDefault;
+    ValueWithDefault* valueWithDefault = nullptr;
 
     //==============================================================================
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (RemapperValueSourceWithDefault)