diff --git a/src/juce_amalgamated_template.cpp b/src/juce_amalgamated_template.cpp
index eecfea8f6f..2a81298fdb 100644
--- a/src/juce_amalgamated_template.cpp
+++ b/src/juce_amalgamated_template.cpp
@@ -158,7 +158,7 @@
 #include "juce_appframework/audio/plugins/juce_PluginDescription.cpp"
 #include "juce_appframework/audio/plugins/juce_PluginDirectoryScanner.cpp"
 #include "juce_appframework/audio/plugins/juce_PluginListComponent.cpp"
-#include "juce_appframework/audio/plugins/formats/juce_AudioUnitPluginFormat.cpp"
+#include "juce_appframework/audio/plugins/formats/juce_AudioUnitPluginFormat.mm"
 #include "juce_appframework/audio/plugins/formats/juce_VSTPluginFormat.mm"
 #include "juce_appframework/audio/processors/juce_AudioProcessor.cpp"
 #include "juce_appframework/audio/processors/juce_AudioProcessorEditor.cpp"