diff --git a/configure.ac b/configure.ac
index 1dce0d1..071013c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -344,6 +344,7 @@
 	sys/times.h \
 	sys/uio.h \
 	sys/un.h \
+	sys/utsname.h \
 	sys/vm86.h \
 	sys/wait.h \
 	syscall.h \