diff --git a/src/pasm.c b/src/pasm.c
index 85c28e1..45f7630 100644
--- a/src/pasm.c
+++ b/src/pasm.c
@@ -8,7 +8,7 @@
 FILE *fstream = NULL;
 void show_error(size_t line, char *line_) {
 #ifdef _WIN32
-    int wrote = fprintf(fstream, "%ud| ", line + 1);
+    int wrote = fprintf(fstream, "%llu| ", line + 1);
 #else
     int wrote = fprintf(fstream, "%ld| ", line + 1);
 #endif