diff --git a/src/plugins/platforms/wayland/egl_wayland_backend.cpp b/src/plugins/platforms/wayland/egl_wayland_backend.cpp
index fea1881a61..66a2c84d91 100644
--- a/src/plugins/platforms/wayland/egl_wayland_backend.cpp
+++ b/src/plugins/platforms/wayland/egl_wayland_backend.cpp
@@ -36,6 +36,8 @@
 #include <QFile>
 #include <QOpenGLContext>
 
+#include <cmath>
+
 namespace KWin
 {
 namespace Wayland
diff --git a/src/plugins/platforms/wayland/wayland_backend.cpp b/src/plugins/platforms/wayland/wayland_backend.cpp
index 4eb5a53a0d..575fe8f64c 100644
--- a/src/plugins/platforms/wayland/wayland_backend.cpp
+++ b/src/plugins/platforms/wayland/wayland_backend.cpp
@@ -58,6 +58,8 @@
 #include <unistd.h>
 #include <fcntl.h>
 
+#include <cmath>
+
 namespace KWin
 {
 namespace Wayland