diff --git a/main.odin b/main.odin
index c561036..82596aa 100644
--- a/main.odin
+++ b/main.odin
@@ -37,7 +37,7 @@ main :: proc() {
 
 		html, parse_err := parse_file_md_to_html(file, arena_alloc)
 		if parse_err != nil {
-			fmt.printfln("ERROR: Could not open file %s: %s", file, os.error_string(parse_err))
+			fmt.eprintfln("ERROR: Could not open file %s: %s", file, os.error_string(parse_err))
 		}
 
 		filename := strings.split(file, directory)
@@ -53,6 +53,9 @@ main :: proc() {
 		full_filename := strings.to_string(sb)
 
 		file, file_err := os.create(full_filename)
+		if file_err != nil {
+			fmt.eprintfln("ERROR: Could not open file %s: %s", file, os.error_string(file_err))
+		}
 
 		os.write_string(file, UTF8_PREFIX)
 		os.write_string(file, CSS_PREFIX)