diff --git a/libglusterfs/src/run.c b/libglusterfs/src/run.c
index 4160120..fceb7c7 100644
--- a/libglusterfs/src/run.c
+++ b/libglusterfs/src/run.c
@@ -30,6 +30,7 @@
 #include <fcntl.h>
 #include <dirent.h>
 #include <assert.h>
+#include <signal.h>
 #include <sys/wait.h>
 
 #ifdef RUN_STANDALONE