diff --git a/test-linuxcnc-source-link.sh b/test-linuxcnc-source-link.sh
index bbadea6..3d09725 100755
--- a/test-linuxcnc-source-link.sh
+++ b/test-linuxcnc-source-link.sh
@@ -476,6 +476,10 @@ cp "$base_var_file" "$var_file"
 CNC_SIM_RS274_VAR="$var_file" \
     "$build_dir/linuxcnc_rs274_source_dump" tests/gcode/linuxcnc_g52_xz_nurbs.ngc \
     >/tmp/cnc_sim_linuxcnc_source_g52_xz_nurbs.json
+cp "$base_var_file" "$var_file"
+CNC_SIM_RS274_VAR="$var_file" \
+    "$build_dir/linuxcnc_rs274_source_dump" tests/gcode/linuxcnc_g62_xz_nurbs.ngc \
+    >/tmp/cnc_sim_linuxcnc_source_g62_xz_nurbs.json
 
 python3 - <<'PY'
 import json
@@ -2041,6 +2045,17 @@ if not any(
     for event in g52_xz_nurbs
 ):
     raise SystemExit("missing source-linked G18/XZ NURBS endpoint mapped to X/Z axes")
+
+g62_xz_nurbs = json.loads(Path("/tmp/cnc_sim_linuxcnc_source_g62_xz_nurbs.json").read_text())
+if not any(
+    event["type"] == "linear-feed" and
+    event["plane"] == 18 and
+    event["end"]["x"] == 100 and
+    event["end"]["y"] == 0 and
+    event["end"]["z"] == 10
+    for event in g62_xz_nurbs
+):
+    raise SystemExit("missing source-linked G18/XZ G6.2 NURBS point mapped to X/Z axes")
 PY
 
 echo "linuxcnc rs274 source link smoke passed (${#objects[@]} local objects)"
@@ -2128,3 +2143,4 @@ echo "dumped /tmp/cnc_sim_linuxcnc_source_coordinate_select_all.json"
 echo "dumped /tmp/cnc_sim_linuxcnc_source_g92_restore.json"
 echo "dumped /tmp/cnc_sim_linuxcnc_source_g52_offset.json"
 echo "dumped /tmp/cnc_sim_linuxcnc_source_g52_xz_nurbs.json"
+echo "dumped /tmp/cnc_sim_linuxcnc_source_g62_xz_nurbs.json"
diff --git a/tests/gcode/linuxcnc_g62_xz_nurbs.ngc b/tests/gcode/linuxcnc_g62_xz_nurbs.ngc
new file mode 100644
index 0000000..3fb35c2
--- /dev/null
+++ b/tests/gcode/linuxcnc_g62_xz_nurbs.ngc
@@ -0,0 +1,17 @@
+G21 G90 G18
+F100
+G6.2 Z0 X100 R1 K0 P4 Q1
+Z10 X100 R1 K0
+Z10 X70.665 R1 K0
+Z27.928 X59.258 R1 K0
+Z34.093 X56.935 R1 K1
+Z41.136 X54.281 R1 K2
+Z63.112 X51.556 R1 K3
+Z79.999 X60 R1 K4
+Z99.998 X40.002 R1 K5
+Z100 X0.012 R1 K6
+G6.2 K7
+G6.2 K7
+G6.2 K7
+G6.2 K7
+M2