diff --git a/src/filter-test.c b/src/filter-test.c
index cfbd2ea..c869702 100644
--- a/src/filter-test.c
+++ b/src/filter-test.c
@@ -56,6 +56,7 @@ int main(int argc, char *argv[]) {
     }
   }
   fprintf(stderr, "%% lines read: %zu, matched: %zu\n", read, matched);
+  fclose(file);
 
   return EXIT_SUCCESS;
 }
diff --git a/src/filter.c b/src/filter.c
index b096a00..91efa43 100644
--- a/src/filter.c
+++ b/src/filter.c
@@ -60,6 +60,7 @@ f2b_filter_load_file(f2b_filter_t *filter, const char *path) {
         break;
     }
   }
+  fclose(f);
 
   return true;
 }