diff --git a/source/blender/blenlib/BLI_vector_set_slots.hh b/source/blender/blenlib/BLI_vector_set_slots.hh
index 2304f782ead..f313320591b 100644
--- a/source/blender/blenlib/BLI_vector_set_slots.hh
+++ b/source/blender/blenlib/BLI_vector_set_slots.hh
@@ -24,6 +24,7 @@
  *   result in better performance, due to better cache utilization.
  */
 
+#include <cstdint>
 #include <type_traits>
 
 namespace blender {