diff --git a/include/types/global.h b/include/types/global.h
index 817c09b..b3aa29c 100644
--- a/include/types/global.h
+++ b/include/types/global.h
@@ -162,7 +162,12 @@
 		} ux;
 	} unix_bind;
 #ifdef USE_CPU_AFFINITY
-	unsigned long cpu_map[LONGBITS];  /* list of CPU masks for the 32/64 first processes */
+	unsigned long cpu_map[LONGBITS];              /* list of CPU masks for the 32/64 first processes */
+
+#ifdef USE_THREAD
+	unsigned long thread_map[LONGBITS][LONGBITS]; /* list of CPU masks for the 32/64 first threads per process */
+#endif
+
 #endif
 	struct proxy *stats_fe;     /* the frontend holding the stats settings */
 	struct vars   vars;         /* list of variables for the process scope. */