diff --git a/proc.h b/proc.h
index e8032fa..64f8fe2 100644
--- a/proc.h
+++ b/proc.h
@@ -66,7 +66,7 @@
 	} c_un;
 	int is_syscall;
 	arch_addr_t return_addr;
-	struct timeval time_spent;
+	struct timeval enter_time;
 	struct fetch_context *fetch_context;
 	struct value_dict *arguments;
 	struct output_state out;