diff --git a/experiment/muxplanes.c b/experiment/muxplanes.c
index bd01e54..a8ac20e 100644
--- a/experiment/muxplanes.c
+++ b/experiment/muxplanes.c
@@ -5,7 +5,7 @@
 #include  <stdlib.h>
 #include  <unistd.h>
 #include  <stdint.h>
-#include  <strings.h>
+#include  <string.h>
 
 #include  "../floatimg.h"