diff --git a/channels.c b/channels.c
index 86c454ab5..9486c1cff 100644
--- a/channels.c
+++ b/channels.c
@@ -57,7 +57,9 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <netdb.h>
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/openbsd-compat/reallocarray.c b/openbsd-compat/reallocarray.c
index cffe9b5ef..1a52acc62 100644
--- a/openbsd-compat/reallocarray.c
+++ b/openbsd-compat/reallocarray.c
@@ -22,7 +22,9 @@
 
 #include <sys/types.h>
 #include <errno.h>
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#endif
 #include <stdlib.h>
 
 /*
diff --git a/sshbuf-misc.c b/sshbuf-misc.c
index e07e34a8a..f1c2d03c9 100644
--- a/sshbuf-misc.c
+++ b/sshbuf-misc.c
@@ -22,7 +22,9 @@
 #include <netinet/in.h>
 #include <errno.h>
 #include <stdlib.h>
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#endif
 #include <stdio.h>
 #include <limits.h>
 #include <string.h>