diff --git a/common/flatpak-utils.c b/common/flatpak-utils.c
index ef240032..9b18be3a 100644
--- a/common/flatpak-utils.c
+++ b/common/flatpak-utils.c
@@ -38,6 +38,7 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/file.h>
+#include <sys/mman.h>
 #include <sys/types.h>
 #include <sys/utsname.h>
 #include <sys/ioctl.h>