diff --git a/papermario/src/code_dc470_len_14c0.c b/papermario/src/code_dc470_len_14c0.c
index 817d02619d..386df3c333 100644
--- a/papermario/src/code_dc470_len_14c0.c
+++ b/papermario/src/code_dc470_len_14c0.c
@@ -38,7 +38,7 @@ u16 read_background_size(bg_header *bg) {
     gameStatus->unk_14C = bg->startY;
     gameStatus->unk_154 = bg->palette;
     gameStatus->unk_158 = bg->raster;
-    gameStatus->unk_148 = gameStatus->unk_148 | 1;
+    gameStatus->unk_148 |= 1;
     return;
 }
 
@@ -59,8 +59,8 @@ u16 func_80145E98(s32 arg0, s32 arg1, s32 arg2) {
     if (temp_lo < 0) {
         temp_lo = temp_lo + 0xFF;
     }
-    temp_lo = arg0 + (temp_lo >> 0x08);
-    return temp_lo & 0xFFFF;
+    temp_lo = arg0 + (temp_lo >> 8);
+    return temp_lo;
 }
 
 INCLUDE_ASM(code_dc470_len_14c0, func_80145EC0);
diff --git a/papermario/src/code_ebd0_len_6a0.c b/papermario/src/code_ebd0_len_6a0.c
index 44e6ce7d48..255a69c5e0 100644
--- a/papermario/src/code_ebd0_len_6a0.c
+++ b/papermario/src/code_ebd0_len_6a0.c
@@ -17,7 +17,7 @@ s16 func_800337F8(subtract_val) {
     game_status* gameStatus = *gGameStatusPtr;
     if (gameStatus->boot_alpha != 0) {
         gameStatus->boot_alpha -= subtract_val;
-        if (gameStatus->boot_alpha << 0x10 < 0) {
+        if (gameStatus->boot_alpha << 16 < 0) {
             gameStatus->boot_alpha = 0;
         }
     } else {