diff --git a/src/lib/eina/eina_debug_bt.c b/src/lib/eina/eina_debug_bt.c
index e8f96fdb48..a98b852efe 100644
--- a/src/lib/eina/eina_debug_bt.c
+++ b/src/lib/eina/eina_debug_bt.c
@@ -36,6 +36,7 @@
 #include "eina_debug_private.h"
 
 #ifndef _WIN32
+# include <signal.h>
 # define SIG SIGPROF
 #endif