4 files changed, 4 insertions, 4 deletions
diff --git a/src/mixer/AlsaMixerPlugin.cxx b/src/mixer/AlsaMixerPlugin.cxx
index 68ad859ff..a78b83f8a 100644
--- a/src/mixer/AlsaMixerPlugin.cxx
+++ b/src/mixer/AlsaMixerPlugin.cxx
@@ -19,7 +19,7 @@
 
 #include "config.h"
 #include "MixerInternal.hxx"
-#include "output_api.h"
+#include "OutputAPI.hxx"
 #include "GlobalEvents.hxx"
 #include "Main.hxx"
 #include "event/MultiSocketMonitor.hxx"
diff --git a/src/mixer/OssMixerPlugin.cxx b/src/mixer/OssMixerPlugin.cxx
index 24471c035..4de1e2e45 100644
--- a/src/mixer/OssMixerPlugin.cxx
+++ b/src/mixer/OssMixerPlugin.cxx
@@ -19,7 +19,7 @@
 
 #include "config.h"
 #include "MixerInternal.hxx"
-#include "output_api.h"
+#include "OutputAPI.hxx"
 #include "fd_util.h"
 
 #include <glib.h>
diff --git a/src/mixer/RoarMixerPlugin.cxx b/src/mixer/RoarMixerPlugin.cxx
index 0533711c1..92a22f51b 100644
--- a/src/mixer/RoarMixerPlugin.cxx
+++ b/src/mixer/RoarMixerPlugin.cxx
@@ -21,7 +21,7 @@
 
 #include "config.h"
 #include "MixerInternal.hxx"
-#include "output_api.h"
+#include "OutputAPI.hxx"
 #include "output/RoarOutputPlugin.hxx"
 
 struct RoarMixer final : public Mixer {
diff --git a/src/mixer/WinmmMixerPlugin.cxx b/src/mixer/WinmmMixerPlugin.cxx
index 73013fd93..89ed854ae 100644
--- a/src/mixer/WinmmMixerPlugin.cxx
+++ b/src/mixer/WinmmMixerPlugin.cxx
@@ -19,7 +19,7 @@
 
 #include "config.h"
 #include "MixerInternal.hxx"
-#include "output_api.h"
+#include "OutputAPI.hxx"
 #include "output/WinmmOutputPlugin.hxx"
 
 #include <mmsystem.h>