diff --git a/src/main/cpp/tiv.cpp b/src/main/cpp/tiv.cpp
index 4c73db5..c471dc5 100644
--- a/src/main/cpp/tiv.cpp
+++ b/src/main/cpp/tiv.cpp
@@ -418,8 +418,11 @@ cimg_library::CImg<unsigned char> load_rgb_CImg(const char * const filename) {
 
 int main(int argc, char* argv[]) {
   struct winsize w;
+  ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
+
+  if(w.ws_col == 0 && w.ws_col == 0)
   ioctl(0, TIOCGWINSZ, &w);
-  
+
   int maxWidth = w.ws_col * 4;
   int maxHeight = w.ws_row * 8;
   int flags = 0;