diff --git a/spa/plugins/audiotestsrc/audiotestsrc.c b/spa/plugins/audiotestsrc/audiotestsrc.c
index 51fc42dc0..e032dd687 100644
--- a/spa/plugins/audiotestsrc/audiotestsrc.c
+++ b/spa/plugins/audiotestsrc/audiotestsrc.c
@@ -28,6 +28,7 @@
 #include <string.h>
 #include <stdio.h>
 
+#include <spa/support/plugin.h>
 #include <spa/support/log.h>
 #include <spa/support/system.h>
 #include <spa/support/loop.h>
diff --git a/spa/plugins/test/fakesink.c b/spa/plugins/test/fakesink.c
index a2f5117f9..d44112ee2 100644
--- a/spa/plugins/test/fakesink.c
+++ b/spa/plugins/test/fakesink.c
@@ -29,6 +29,7 @@
 #include <stdio.h>
 #include <sys/timerfd.h>
 
+#include <spa/support/plugin.h>
 #include <spa/support/log.h>
 #include <spa/support/loop.h>
 #include <spa/utils/list.h>
diff --git a/spa/plugins/test/fakesrc.c b/spa/plugins/test/fakesrc.c
index 234236340..97fa56d1b 100644
--- a/spa/plugins/test/fakesrc.c
+++ b/spa/plugins/test/fakesrc.c
@@ -29,6 +29,7 @@
 #include <stdio.h>
 #include <sys/timerfd.h>
 
+#include <spa/support/plugin.h>
 #include <spa/support/log.h>
 #include <spa/support/loop.h>
 #include <spa/utils/list.h>
diff --git a/spa/plugins/videotestsrc/videotestsrc.c b/spa/plugins/videotestsrc/videotestsrc.c
index a654903e0..c6f38cc67 100644
--- a/spa/plugins/videotestsrc/videotestsrc.c
+++ b/spa/plugins/videotestsrc/videotestsrc.c
@@ -29,6 +29,7 @@
 #include <stdio.h>
 #include <sys/timerfd.h>
 
+#include <spa/support/plugin.h>
 #include <spa/support/log.h>
 #include <spa/support/loop.h>
 #include <spa/utils/list.h>
diff --git a/spa/plugins/volume/volume.c b/spa/plugins/volume/volume.c
index 07e8e4555..e7135d09e 100644
--- a/spa/plugins/volume/volume.c
+++ b/spa/plugins/volume/volume.c
@@ -26,6 +26,7 @@
 #include <string.h>
 #include <stddef.h>
 
+#include <spa/support/plugin.h>
 #include <spa/support/log.h>
 #include <spa/utils/list.h>
 #include <spa/node/node.h>