diff --git a/dumux/io/rasterimagereader.hh b/dumux/io/rasterimagereader.hh
index 5bd302fc0abb737ad8f8c9466de06a799cde8d07..d8291fa88e4c060b81ea28e6afd34459562b0d5c 100644
--- a/dumux/io/rasterimagereader.hh
+++ b/dumux/io/rasterimagereader.hh
@@ -25,6 +25,7 @@
 #define DUMUX_RASTER_IMAGE_READER_HH
 
 #include <cassert>
+#include <cstdint>
 #include <string>
 #include <vector>
 #include <fstream>