diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index f27a179..165a8c3 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -113,6 +113,7 @@
 #include <limits.h>
 #include <ctype.h>
 #include <arpa/inet.h>
+#include <alloca.h>
 
 /* bbox: not needed
 #define INT_CONF ntohl(0x434f4e46)