diff --git a/src/memory/page.c b/src/memory/page.c
index c8c32d2..5acdb47 100644
--- a/src/memory/page.c
+++ b/src/memory/page.c
@@ -17,7 +17,7 @@ static int16_t find_next_block(size_t nb_pages, uint16_t *pd_index_ptr,
 		}
 		*page_table_ptr =
 		    (uint32_t *)GET_PAGE_ADDR(0, *pd_index_ptr + PT_START);
-		for (uint16_t i = 0; i + nb_pages < PT_SIZE; i++) {
+		for (uint16_t i = 0; i + nb_pages - 1 < PT_SIZE; i++) {
 			uint16_t j;
 			for (j = 0; (*page_table_ptr)[i + j] >> 12 == i + j &&
 			            j < nb_pages;