diff --git a/camlibs/sierra/epson-desc.c b/camlibs/sierra/epson-desc.c
index 47a016d72..d5033bf88 100644
--- a/camlibs/sierra/epson-desc.c
+++ b/camlibs/sierra/epson-desc.c
@@ -21,7 +21,7 @@
  */
 #include <stdio.h>
 #include <sys/types.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include <string.h>
 #include <gphoto2-library.h>
 #include "sierra.h"
diff --git a/camlibs/sierra/nikon-desc.c b/camlibs/sierra/nikon-desc.c
index 2ac386d4f..1b27e1ca9 100644
--- a/camlibs/sierra/nikon-desc.c
+++ b/camlibs/sierra/nikon-desc.c
@@ -19,7 +19,7 @@
  */
 #include <stdio.h>
 #include <sys/types.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include <string.h>
 #include <gphoto2-library.h>
 #include "sierra.h"
diff --git a/camlibs/sierra/olympus-desc.c b/camlibs/sierra/olympus-desc.c
index c29f486ea..692d88a07 100644
--- a/camlibs/sierra/olympus-desc.c
+++ b/camlibs/sierra/olympus-desc.c
@@ -21,7 +21,7 @@
  */
 #include <stdio.h>
 #include <sys/types.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include <string.h>
 #include <gphoto2-library.h>
 #include "sierra.h"