diff --git a/main.c b/main.c
index 8a75e30..0a1621c 100644
--- a/main.c
+++ b/main.c
@@ -1270,7 +1270,7 @@ static void compile_buffer(uint8_t *buffer, uint16_t line_number) {
             c[7] = 3;                    // Skip over indirect jump.
             // Jump to top of loop, indirectly through ptr1, which has the address.
             c[8] = I_JMP_IND;
-            c[9] = (uint8_t) &ptr1 & 0x0F;
+            c[9] = (uint8_t) &ptr1 & 0xFF;
             c[10] = (uint8_t) &ptr1 >> 8;
             g_c = c + 11;
         } else if (*s == T_DIM) {