diff --git a/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c b/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
index a254f78009..c65bc57b52 100644
--- a/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
+++ b/subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
@@ -11482,6 +11482,9 @@ qtdemux_mul_transformation_matrix (GstQTDemux * qtdemux,
     c[4] = QTADD_MATRIX (QTMUL_MATRIX (a[3], b[1]), QTMUL_MATRIX (a[4], b[4]));
     c[8] = a[8];
   }
+
+#undef QTMUL_MATRIX
+#undef QTADD_MATRIX
 }
 
 static void