diff --git a/soh/src/code/shrink_window.c b/soh/src/code/shrink_window.c
index cc68129e2..ee7822df0 100644
--- a/soh/src/code/shrink_window.c
+++ b/soh/src/code/shrink_window.c
@@ -6,6 +6,10 @@ s32 sShrinkWindowVal = 0;
 s32 sShrinkWindowCurrentVal = 0;
 
 void ShrinkWindow_SetVal(s32 value) {
+    if (CVar_GetS32("gDisableBlackBars", 0)) {
+        sShrinkWindowVal = 0;
+        return;
+    }
     if (HREG(80) == 0x13 && HREG(81) == 1) {
         osSyncPrintf("shrink_window_setval(%d)\n", value);
     }
@@ -17,6 +21,10 @@ u32 ShrinkWindow_GetVal(void) {
 }
 
 void ShrinkWindow_SetCurrentVal(s32 currentVal) {
+    if (CVar_GetS32("gDisableBlackBars", 0)) {
+        sShrinkWindowCurrentVal = 0;
+        return;
+    }
     if (HREG(80) == 0x13 && HREG(81) == 1) {
         osSyncPrintf("shrink_window_setnowval(%d)\n", currentVal);
     }