diff --git a/src/ShapeCustom/ShapeCustom_RestrictionParameters.cxx b/src/ShapeCustom/ShapeCustom_RestrictionParameters.cxx
index 0033a18e5a..481df18503 100755
--- a/src/ShapeCustom/ShapeCustom_RestrictionParameters.cxx
+++ b/src/ShapeCustom/ShapeCustom_RestrictionParameters.cxx
@@ -28,8 +28,8 @@
 
 ShapeCustom_RestrictionParameters::ShapeCustom_RestrictionParameters()
 {
-  myGMaxSeg = 15;
-  myGMaxDegree = 10000;
+  myGMaxSeg = 10000;
+  myGMaxDegree = 15;
   
   myConvPlane         = Standard_False;
   //myConvElementarySurf = Standard_False;
diff --git a/tests/bugs/heal/bug23944 b/tests/bugs/heal/bug23944
new file mode 100755
index 0000000000..fc92baad9f
--- /dev/null
+++ b/tests/bugs/heal/bug23944
@@ -0,0 +1,27 @@
+puts "============"
+puts "OCC23944"
+puts "============"
+puts ""
+###################################################
+## Typo in ShapeCustom_RestrictionParameters leading to wrong approximation results
+###################################################
+
+set BugNumber OCC23944
+
+restore [locate_data_file bug23944_s.brep] s
+
+mkface f s
+
+set info [bsplres result f 1e-4 1e-9 15 100 C1 C2 0 1]
+
+# Resume
+puts ""
+if { [regexp {Debug mode} [dversion]] } {
+   if { [regexp {Surface is aproximated with continuity 0} $info] } {
+      puts "OK ${BugNumber}"
+   } else {
+      puts "Faulty ${BugNumber}"
+   }
+} else {
+   puts "Test for debug mode only"
+}