diff --git a/src/peep.c b/src/peep.c
index 67847598727b49b6a1f2452b2650e34e4173fc2d..5f34258fc81934369feddc553385eaf21b5ca9d6 100644
--- a/src/peep.c
+++ b/src/peep.c
@@ -10,6 +10,7 @@
 #include "lex.h"
 #include "pike_memory.h"
 #include "peep.h"
+#include "dmalloc.h"
 
 struct p_instr_s
 {