diff --git a/01/src/main.c b/01/src/main.c
index df9b03c..ed01a27 100644
--- a/01/src/main.c
+++ b/01/src/main.c
@@ -106,13 +106,17 @@ int main(int argc, char *argv[])
   }
   // LCOV_EXCL_STOP
 
-  char *line;
+  char *line = NULL;
   size_t len = 0;
-  ssize_t read;
+  ssize_t read = 0;
   int result = 0;
   while ((read = getline(&line, &len, file) != -1)) {
     result += getVal(line);
   }
+
+  free(line);
+  fclose(file);
+
   printf("The sum of the calibration values is %d\n", result);
   return EXIT_SUCCESS;
 }