diff --git a/lib/experimental/segyio/segyio.hpp b/lib/experimental/segyio/segyio.hpp
index 706f07ff5..7ba3ffb99 100644
--- a/lib/experimental/segyio/segyio.hpp
+++ b/lib/experimental/segyio/segyio.hpp
@@ -13,6 +13,7 @@
 #include <vector>
 
 #include <segyio/segy.h>
+#include <cstdint>
 
 /*
  * KNOWN ISSUES AND TODOs:
diff --git a/python/segyio/segyio.cpp b/python/segyio/segyio.cpp
index 76da965c3..bd8a8622e 100644
--- a/python/segyio/segyio.cpp
+++ b/python/segyio/segyio.cpp
@@ -16,6 +16,7 @@
 #include <cstring>
 #include <sstream>
 #include <stdexcept>
+#include <cstdint>
 
 #if PY_MAJOR_VERSION >= 3
 #define IS_PY3K
diff --git a/python/setup.py b/python/setup.py
index 6c6553bc7..654075be9 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -1,6 +1,6 @@
 import os
 import sys
-import skbuild
+import skbuild  # pip install scikit-build
 import setuptools
 
 long_description = """