diff --git a/tests/bugs/modalg_6/bug26923 b/tests/bugs/modalg_6/bug26923
new file mode 100644
index 0000000000..428a54d17d
--- /dev/null
+++ b/tests/bugs/modalg_6/bug26923
@@ -0,0 +1,21 @@
+puts "========"
+puts "OCC26923"
+puts "========"
+puts ""
+#######################################
+# Operation CUT leads to faulty shape
+#######################################
+
+smallview
+
+restore [locate_data_file bug26923-resultCutted_9_Edge.brep] a
+restore [locate_data_file bug26923-toolToCut_10.brep] b
+
+bcut result a b
+
+checkshape result
+
+donly result
+fit
+
+set only_screen_axo 1