diff --git a/MMCore/meson.build b/MMCore/meson.build
index 082f08693..a781b3bc2 100644
--- a/MMCore/meson.build
+++ b/MMCore/meson.build
@@ -51,13 +51,14 @@ mmcore_sources = files(
     'Devices/HubInstance.cpp',
     'Devices/ImageProcessorInstance.cpp',
     'Devices/MagnifierInstance.cpp',
-    'Devices/PumpInstance.cpp',
+    'Devices/PressurePumpInstance.cpp',
     'Devices/SerialInstance.cpp',
     'Devices/ShutterInstance.cpp',
     'Devices/SignalIOInstance.cpp',
     'Devices/SLMInstance.cpp',
     'Devices/StageInstance.cpp',
     'Devices/StateInstance.cpp',
+    'Devices/VolumetricPumpInstance.cpp',
     'Devices/XYStageInstance.cpp',
     'Error.cpp',
     'FrameBuffer.cpp',