diff --git a/configure b/configure
index 9f016b06b54f..6f6a319c2f65 100755
--- a/configure
+++ b/configure
@@ -4039,6 +4039,7 @@ fi
 clock_adjtime=no
 cat > $TMPC <<EOF
 #include <time.h>
+#include <sys/timex.h>
 
 int main(void)
 {