diff --git a/src/cfgparse.y b/src/cfgparse.y
index c93c33e6..d3a5ecda 100644
--- a/src/cfgparse.y
+++ b/src/cfgparse.y
@@ -101,6 +101,7 @@ void parse_file(const char *f) {
                         continue;
                 }
         }
+        fclose(fstr);
 
         /* For every custom variable, see how often it occurs in the file and
          * how much extra bytes it requires when replaced. */