diff --git a/lib/sam.c b/lib/sam.c
index 1596ae2..59d247f 100644
--- a/lib/sam.c
+++ b/lib/sam.c
@@ -61,6 +61,7 @@
 #include <stdio.h>
 #include <sys/wait.h>
 #include <signal.h>
+#include <poll.h>
 
 #define SAM_CMAP_S_FAILED		"failed"
 #define SAM_CMAP_S_REGISTERED		"stopped"