diff --git a/include/assimp/metadata.h b/include/assimp/metadata.h
index 4e1f6732d..12670252e 100644
--- a/include/assimp/metadata.h
+++ b/include/assimp/metadata.h
@@ -51,6 +51,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "Compiler/pstdint.h"
 #else
 #include <limits.h>
+#include <stdint.h>
 #endif