diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c
index 7301466ff5..b8aead03bd 100644
--- a/gdbstub/gdbstub.c
+++ b/gdbstub/gdbstub.c
@@ -535,7 +535,7 @@ static void gdb_process_breakpoint_remove_all(GDBProcess *p)
 }
 
 
-static void gdb_set_cpu_pc(target_ulong pc)
+static void gdb_set_cpu_pc(vaddr pc)
 {
     CPUState *cpu = gdbserver_state.c_cpu;
 
@@ -1290,7 +1290,7 @@ static void handle_file_io(GArray *params, void *user_ctx)
 static void handle_step(GArray *params, void *user_ctx)
 {
     if (params->len) {
-        gdb_set_cpu_pc((target_ulong)get_param(params, 0)->val_ull);
+        gdb_set_cpu_pc(get_param(params, 0)->val_ull);
     }
 
     cpu_single_step(gdbserver_state.c_cpu, gdbserver_state.sstep_flags);