diff --git a/src/array_indexer.c b/src/array_indexer.c
index cd0fd82..f176334 100755
--- a/src/array_indexer.c
+++ b/src/array_indexer.c
@@ -35,7 +35,7 @@ index_t obi_index_array(Obi_indexer_p indexer, const void* value, uint8_t elt_si
 //	for (int i=0; i<value_length; i++)
 //		fprintf(stderr, "\nvalue %d", ((obibool_t*)value)[i]);
 
-	length_bytes = value_length * elt_size;
+	length_bytes = value_length * elt_size / 8;
 
 	// Encode value
 	value_b = obi_blob((byte_t*)value, elt_size, length_bytes, length_bytes);
@@ -62,7 +62,7 @@ const void* obi_retrieve_array(Obi_indexer_p indexer, index_t idx, int32_t* valu
 	value_b = obi_indexer_get(indexer, idx);
 
 	// Store array length
-	*value_length_p = (value_b->length_decoded_value) / (value_b->element_size);
+	*value_length_p = (value_b->length_decoded_value) / (value_b->element_size) * 8;
 
 	// Return pointer on mapped array
 	return ((void*) (value_b->value));