diff --git a/modules/juce_data_structures/app_properties/juce_PropertiesFile.cpp b/modules/juce_data_structures/app_properties/juce_PropertiesFile.cpp
index 018bb585c3..a30c6e4d98 100644
--- a/modules/juce_data_structures/app_properties/juce_PropertiesFile.cpp
+++ b/modules/juce_data_structures/app_properties/juce_PropertiesFile.cpp
@@ -37,6 +37,7 @@ namespace PropertyFileConstants
 PropertiesFile::Options::Options()
     : commonToAllUsers (false),
       ignoreCaseOfKeyNames (false),
+      doNotSave (false),
       millisecondsBeforeSaving (3000),
       storageFormat (PropertiesFile::storeAsXML),
       processLock (nullptr)
@@ -163,7 +164,8 @@ bool PropertiesFile::save()
 
     stopTimer();
 
-    if (file == File::nonexistent
+    if (options.doNotSave
+         || file == File::nonexistent
          || file.isDirectory()
          || ! file.getParentDirectory().createDirectory())
         return false;
diff --git a/modules/juce_data_structures/app_properties/juce_PropertiesFile.h b/modules/juce_data_structures/app_properties/juce_PropertiesFile.h
index 08f42e7f4f..0e82b13bf1 100644
--- a/modules/juce_data_structures/app_properties/juce_PropertiesFile.h
+++ b/modules/juce_data_structures/app_properties/juce_PropertiesFile.h
@@ -106,6 +106,9 @@ public:
         */
         bool ignoreCaseOfKeyNames;
 
+        /** If set to true, this prevents the file from being written to disk. */
+        bool doNotSave;
+
         /** If this is zero or greater, then after a value is changed, the object will wait
             for this amount of time and then save the file. If this zero, the file will be
             written to disk immediately on being changed (which might be slow, as it'll re-write