diff --git a/main.cpp b/main.cpp
index 51c6079..1bde8b6 100644
--- a/main.cpp
+++ b/main.cpp
@@ -294,7 +294,7 @@ namespace minipbrt {
         const ImageFilm* imagefilm = dynamic_cast<const ImageFilm*>(film);
         printf("xresolution        = %d\n", imagefilm->xresolution);
         printf("yresolution        = %d\n", imagefilm->yresolution);
-        printf("cropwindow         = [ %f, %f, %f, %f ]\n", imagefilm->cropwwindow[0], imagefilm->cropwwindow[1], imagefilm->cropwwindow[2], imagefilm->cropwwindow[3]);
+        printf("cropwindow         = [ %f, %f, %f, %f ]\n", imagefilm->cropwindow[0], imagefilm->cropwindow[1], imagefilm->cropwindow[2], imagefilm->cropwindow[3]);
         printf("scale              = %f\n", imagefilm->scale);
         printf("maxsampleluminance = %f\n", imagefilm->maxsampleluminance);
         printf("diagonal           = %f mm\n", imagefilm->diagonal);
diff --git a/minipbrt.cpp b/minipbrt.cpp
index 732a762..79e1f23 100644
--- a/minipbrt.cpp
+++ b/minipbrt.cpp
@@ -5168,19 +5168,23 @@ namespace minipbrt {
       m_error = nullptr;
     }
 
-    FileData* fdata = &m_fileData[m_includeDepth];
-    int64_t errorOffset = fdata->bufOffset + static_cast<int64_t>(m_pos - m_buf);
-
     char* errorMessage = new char[size_t(len + 1)];
     va_start(args, fmt);
     vsnprintf(errorMessage, size_t(len + 1), fmt, args);
     va_end(args);
 
-    m_error = new Error(fdata->filename, errorOffset, errorMessage);
+    if (m_fileData)
+    {
+      FileData* fdata = &m_fileData[m_includeDepth];
+      int64_t errorOffset = fdata->bufOffset + static_cast<int64_t>(m_pos - m_buf);
+      m_error = new Error(fdata->filename, errorOffset, errorMessage);
 
-    int64_t errorLine, errorCol;
-    cursor_location(&errorLine, &errorCol);
-    m_error->set_line_and_column(errorLine, errorCol);
+      int64_t errorLine, errorCol;
+      cursor_location(&errorLine, &errorCol);
+      m_error->set_line_and_column(errorLine, errorCol);
+    }
+    else
+      m_error = new Error("", 0, errorMessage);
   }