diff --git a/src/write.c b/src/write.c
index 52b16a7..0c67730 100644
--- a/src/write.c
+++ b/src/write.c
@@ -589,8 +589,8 @@
             (cellImage->depth != firstCell->depth) || (cellImage->yuvFormat != firstCell->yuvFormat) ||
             (cellImage->yuvRange != firstCell->yuvRange) || (cellImage->colorPrimaries != firstCell->colorPrimaries) ||
             (cellImage->transferCharacteristics != firstCell->transferCharacteristics) ||
-            (cellImage->matrixCoefficients != firstCell->matrixCoefficients) ||
-            (!!cellImage->alphaPlane != !!firstCell->alphaPlane) || (cellImage->alphaPremultiplied != firstCell->alphaPremultiplied)) {
+            (cellImage->matrixCoefficients != firstCell->matrixCoefficients) || (!!cellImage->alphaPlane != !!firstCell->alphaPlane) ||
+            (cellImage->alphaPremultiplied != firstCell->alphaPremultiplied)) {
             return AVIF_RESULT_INVALID_IMAGE_GRID;
         }