diff --git a/src/code/PreRender.c b/src/code/PreRender.c
index 527b9c8672..aedc0d07a0 100644
--- a/src/code/PreRender.c
+++ b/src/code/PreRender.c
@@ -138,6 +138,7 @@ void PreRender_CopyImageRegionImpl(PreRender* this, Gfx** gfxP) {
         s32 ult;
         s32 lrt;
         s32 uly;
+        s32 lry;
 
         // Make sure that we don't load past the end of the source image
         if (nRows > rowsRemaining) {
@@ -148,6 +149,7 @@ void PreRender_CopyImageRegionImpl(PreRender* this, Gfx** gfxP) {
         ult = this->ulySave + curRow;
         lrt = ult + nRows - 1;
         uly = this->uly + curRow;
+        lry = uly + nRows - 1;
 
         // Load a horizontal strip of the source image in RGBA16 format
         gDPLoadTextureTile(gfx++, this->fbufSave, G_IM_FMT_RGBA, G_IM_SIZ_16b, this->widthSave, this->height - 1,
@@ -155,7 +157,7 @@ void PreRender_CopyImageRegionImpl(PreRender* this, Gfx** gfxP) {
                            G_TX_NOMIRROR | G_TX_WRAP, G_TX_NOMASK, G_TX_NOMASK, G_TX_NOLOD, G_TX_NOLOD);
 
         // Draw that horizontal strip to the destination image, dsdx is 4 << 10 for COPY mode
-        gSPTextureRectangle(gfx++, this->ulx << 2, uly << 2, this->lrx << 2, (uly + nRows - 1) << 2, G_TX_RENDERTILE,
+        gSPTextureRectangle(gfx++, this->ulx << 2, uly << 2, this->lrx << 2, lry << 2, G_TX_RENDERTILE,
                             this->ulxSave << 5, ult << 5, 4 << 10, 1 << 10);
 
         curRow += nRows;