diff --git a/src/codegen_backend.c b/src/codegen_backend.c
index 106b896..8239e94 100644
--- a/src/codegen_backend.c
+++ b/src/codegen_backend.c
@@ -826,7 +826,7 @@ void codegen_mark_code_present_multibyte(codeblock_t *block, uint32_t start_pc,
                 if (block->flags & CODEBLOCK_BYTE_MASK)
                 {
 			uint32_t start_pc_masked = start_pc & PAGE_MASK_MASK;
-			uint32_t end_pc_masked = start_pc & PAGE_MASK_MASK;
+			uint32_t end_pc_masked = end_pc & PAGE_MASK_MASK;
 
                         if ((start_pc ^ block->pc) & ~0x3f) /*Starts in second page*/
                         {