diff --git a/src/lib/tsuite_file_data.c b/src/lib/tsuite_file_data.c
index 1bf1fc7..4e2b9fd 100644
--- a/src/lib/tsuite_file_data.c
+++ b/src/lib/tsuite_file_data.c
@@ -968,7 +968,7 @@ unit_desc_make(void)
         img_d = eet_data_descriptor_stream_new(&eddc);
         EET_DATA_DESCRIPTOR_ADD_BASIC(img_d, Exactness_Image, "w", w, EET_T_UINT);
         EET_DATA_DESCRIPTOR_ADD_BASIC(img_d, Exactness_Image, "h", h, EET_T_UINT);
-        eet_data_descriptor_element_add(img_d, "pixels", EET_T_INT, EET_G_VAR_ARRAY,
+        eet_data_descriptor_element_add(img_d, "pixels", EET_T_CHAR, EET_G_VAR_ARRAY,
               (char *)(&(ex_img.pixels)) - (char *)(&(ex_img)),
               (char *)(&(ex_img.pixels_count)) - (char *)(&(ex_img)), NULL, NULL);