diff --git a/src/debug_console.cpp b/src/debug_console.cpp
index 2fe99125fd..f4eb560e2f 100644
--- a/src/debug_console.cpp
+++ b/src/debug_console.cpp
@@ -23,6 +23,7 @@
 #include "x11client.h"
 #include <kwinglplatform.h>
 #include <kwinglutils.h>
+#include <cerrno>
 
 #include "ui_debug_console.h"
 
diff --git a/src/plugins/platforms/drm/drm_property.cpp b/src/plugins/platforms/drm/drm_property.cpp
index fb813d97cc..e17871dfce 100644
--- a/src/plugins/platforms/drm/drm_property.cpp
+++ b/src/plugins/platforms/drm/drm_property.cpp
@@ -12,6 +12,7 @@
 #include "drm_object.h"
 #include "drm_gpu.h"
 #include "logging.h"
+#include <cerrno>
 
 namespace KWin
 {
diff --git a/src/plugins/screencast/pipewirecore.cpp b/src/plugins/screencast/pipewirecore.cpp
index 8742c814d2..269c2d99b6 100644
--- a/src/plugins/screencast/pipewirecore.cpp
+++ b/src/plugins/screencast/pipewirecore.cpp
@@ -8,6 +8,7 @@
 
 #include "pipewirecore.h"
 #include "kwinscreencast_logging.h"
+#include <cerrno>
 
 #include <KLocalizedString>