diff --git a/src/libscotch/library.h b/src/libscotch/library.h
index 1891c19..ecc0533 100644
--- a/src/libscotch/library.h
+++ b/src/libscotch/library.h
@@ -67,6 +67,8 @@
 
 /*+ Integer type. +*/
 
+#include <stdint.h>
+
 typedef DUMMYIDX SCOTCH_Idx;
 
 typedef DUMMYINT SCOTCH_Num;
diff --git a/src/libscotchmetis/library_metis.h b/src/libscotchmetis/library_metis.h
index e6767e1..04e71c3 100644
--- a/src/libscotchmetis/library_metis.h
+++ b/src/libscotchmetis/library_metis.h
@@ -99,6 +99,7 @@ typedef enum {
 */
 
 #ifndef SCOTCH_H                                  /* In case "scotch.h" not included before */
+#include <stdint.h>
 typedef DUMMYINT SCOTCH_Num;
 #endif /* SCOTCH_H */
 
diff --git a/src/libscotchmetis/library_parmetis.h b/src/libscotchmetis/library_parmetis.h
index 6d2f0b0..3c803fc 100644
--- a/src/libscotchmetis/library_parmetis.h
+++ b/src/libscotchmetis/library_parmetis.h
@@ -106,6 +106,7 @@ typedef enum {
 */
 
 #ifndef SCOTCH_H                                  /* In case "scotch.h" not included before */
+#include <stdint.h>
 typedef DUMMYINT SCOTCH_Num;
 #endif /* SCOTCH_H */
 
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<tr><td><span title='2019-08-04 16:21:26 +0200'>2019-08-04</span></td><td><a href='/guix/commit/gnu/packages/enchant.scm?id=9728def2e94d23adc3961ed138e6d4e982e8dd77'>gnu: enchant: Update to 2.2.5.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-06-23 15:05:00 +0200'>2019-06-23</span></td><td><a href='/guix/commit/gnu/packages/enchant.scm?id=4c7ca747eb63e31312e38db47c5016b4ecabe6f1'>gnu: enchant: Update to 2.2.4.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-09-26 00:33:01 +0200'>2018-09-26</span></td><td><a href='/guix/commit/gnu/packages/enchant.scm?id=c1d59b3c2a88427aa268a405116a01958db84a5b'>gnu: enchant: Update to 2.2.3.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2018-09-26 00:33:01 +0200'>2018-09-26</span></td><td><a href='/guix/commit/gnu/packages/enchant.scm?id=9a59b29411e2f007a6ba32b88d3b6f50bd6c1f45'>gnu: enchant: Propagate Glib.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2018-09-26 00:33:01 +0200'>2018-09-26</span></td><td><a href='/guix/commit/gnu/packages/enchant.scm?id=18ef85b64a3433bccf8dc8b32d338de91fd85a8a'>gnu: enchant: Don't build libenchant.a.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2018-09-26 00:33:00 +0200'>2018-09-26</span></td><td><a href='/guix/commit/gnu/packages/enchant.scm?id=52b87855ea64f02a254f6b510346dfb0e20dd5a7'>gnu: enchant: Update home page.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>