diff --git a/src/bin/jp2/convert.c b/src/bin/jp2/convert.c
index 1a18711c..73ec9f6e 100644
--- a/src/bin/jp2/convert.c
+++ b/src/bin/jp2/convert.c
@@ -114,6 +114,7 @@ static void scale_component_up(opj_image_comp_t* component, OPJ_UINT32 precision
 		}
 	}
 	component->prec = precision;
+	component->bpp = precision;
 }
 void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision)
 {