diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 7a484c9..2732fad 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -72,6 +72,7 @@
 #include "types.h"
 #include <sys/ttydefaults.h>
 #include <lk/debugfs.h>
+#include <termios.h>
 
 extern const char *graph_line;
 extern const char *graph_dotted_line;
@@ -274,6 +275,5 @@
 
 extern unsigned int page_size;
 
-struct winsize;
 void get_term_dimensions(struct winsize *ws);
 #endif /* GIT_COMPAT_UTIL_H */