diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 59ab26bee5..86d0c30f93 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -6516,10 +6516,15 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (cut.y > 1f)
             {
                 cut.y = 1f;
-            }
-            if (cut.y - cut.x < 0.05f)
-            {
-                cut.x = cut.y - 0.05f;
+            }
+            if (cut.y - cut.x < 0.05f)
+            {
+                cut.x = cut.y - 0.05f;
+                if (cut.x < 0.0f)
+                {
+                    cut.x = 0.0f;
+                    cut.y = 0.05f;
+                }
             }
             shapeBlock.ProfileBegin = (ushort)(50000 * cut.x);
             shapeBlock.ProfileEnd = (ushort)(50000 * (1 - cut.y));
@@ -6715,9 +6720,14 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             {
                 profilecut.y = 1f;
             }
-            if (profilecut.y - cut.x < 0.05f)
+            if (profilecut.y - profilecut.x < 0.05f)
             {
-                profilecut.x = cut.y - 0.05f;
+                profilecut.x = profilecut.y - 0.05f;
+                if (profilecut.x < 0.0f)
+                {
+                    profilecut.x = 0.0f;
+                    profilecut.y = 0.05f;
+                }
             }
             shapeBlock.ProfileBegin = (ushort)(50000 * profilecut.x);
             shapeBlock.ProfileEnd = (ushort)(50000 * (1 - profilecut.y));