diff --git a/l3kernel/l3drivers.dtx b/l3kernel/l3drivers.dtx
index 603f975ede..088c99e4b1 100644
--- a/l3kernel/l3drivers.dtx
+++ b/l3kernel/l3drivers.dtx
@@ -2841,7 +2841,7 @@
   {
     \use:x
       {
-        \@@_draw_cm_auxii:nnnnN
+        \@@_draw_cm_decompose_auxii:nnnnN
           { \fp_eval:n { sqrt ( #1 * #1 + #4 * #4 ) } }
           { \fp_eval:n { sqrt ( #2 * #2 + #3 * #3 ) } }
           { \fp_eval:n { arctand ( #3 / #2 ) } }