diff --git a/src/gui/widgets/slider_base.cpp b/src/gui/widgets/slider_base.cpp
index 046d85cc714..e3f5e60d7b2 100644
--- a/src/gui/widgets/slider_base.cpp
+++ b/src/gui/widgets/slider_base.cpp
@@ -22,8 +22,6 @@
 #include "utils/functional.hpp"
 #include "utils/math.hpp"
 
-#include <cstdlib>
-
 #define LOG_SCOPE_HEADER get_control_type() + " [" + id() + "] " + __func__
 #define LOG_HEADER LOG_SCOPE_HEADER + ':'
 
diff --git a/src/utils/math.hpp b/src/utils/math.hpp
index 991daa50f18..6b09904d67d 100644
--- a/src/utils/math.hpp
+++ b/src/utils/math.hpp
@@ -22,6 +22,7 @@
 #include <cmath>
 #include <cstddef>
 #include <cstdint>
+#include <cstdlib>
 #include <limits>
 #include <math.h> // cmath may not provide round()
 #include <vector>