diff --git a/BasiliskII/src/Unix/main_unix.cpp b/BasiliskII/src/Unix/main_unix.cpp
index 1ac70743..4de39700 100644
--- a/BasiliskII/src/Unix/main_unix.cpp
+++ b/BasiliskII/src/Unix/main_unix.cpp
@@ -1163,7 +1163,7 @@ static void *tick_func(void *arg)
 		ticks++;
 	}
 	uint64 end = GetTicks_usec();
-	D(bug("%Ld ticks in %Ld usec = %f ticks/sec\n", ticks, end - start, ticks * 1000000.0 / (end - start)));
+	D(bug("%lld ticks in %lld usec = %f ticks/sec\n", ticks, end - start, ticks * 1000000.0 / (end - start)));
 	return NULL;
 }
 #endif
diff --git a/BasiliskII/src/Unix/video_x.cpp b/BasiliskII/src/Unix/video_x.cpp
index dc53df1e..968905d5 100644
--- a/BasiliskII/src/Unix/video_x.cpp
+++ b/BasiliskII/src/Unix/video_x.cpp
@@ -2637,7 +2637,7 @@ static void *redraw_func(void *arg)
 	}
 
 	uint64 end = GetTicks_usec();
-	D(bug("%Ld refreshes in %Ld usec = %f refreshes/sec\n", ticks, end - start, ticks * 1000000.0 / (end - start)));
+	D(bug("%lld refreshes in %lld usec = %f refreshes/sec\n", ticks, end - start, ticks * 1000000.0 / (end - start)));
 
 	redraw_thread_cancel_ack = true;
 	return NULL;