diff --git a/src/terminal.c b/src/terminal.c
index cdf9fe3..2954669 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -41,7 +41,7 @@ pid_t pty_fork(int *pty, const char *file, char *const argv[], const char *term)
   return pid;
 }
 
-int pty_resize(pid_t pty, int cols, int rows) {
+int pty_resize(int pty, int cols, int rows) {
   struct winsize size;
 
   size.ws_col = (unsigned short)cols;