diff --git a/src/bin/jpwl/convert.c b/src/bin/jpwl/convert.c
index d0ec4bd0..f3bb670b 100644
--- a/src/bin/jpwl/convert.c
+++ b/src/bin/jpwl/convert.c
@@ -737,6 +737,7 @@ opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
 
         if (fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H,
                   IN) != (3 * W + PAD) * H) {
+            fclose(IN);
             free(RGB);
             opj_image_destroy(image);
             fprintf(stderr,