diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index ca514fdd0f9..8c4277b984b 100644
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -2059,7 +2059,7 @@
         <glx rop="94"/>
     </function>
 
-    <function name="LineWidth" es1="1.0" es2="2.0">
+    <function name="LineWidth" es1="1.0" es2="2.0" no_error="true">
         <param name="width" type="GLfloat"/>
         <glx rop="95"/>
     </function>
diff --git a/src/mesa/main/lines.c b/src/mesa/main/lines.c
index 04b3e2ff126..78d3a7729b9 100644
--- a/src/mesa/main/lines.c
+++ b/src/mesa/main/lines.c
@@ -76,6 +76,14 @@ line_width(struct gl_context *ctx, GLfloat width, bool no_error)
 }
 
 
+void GLAPIENTRY
+_mesa_LineWidth_no_error(GLfloat width)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   line_width(ctx, width, true);
+}
+
+
 void GLAPIENTRY
 _mesa_LineWidth(GLfloat width)
 {
diff --git a/src/mesa/main/lines.h b/src/mesa/main/lines.h
index 9a16069a6d5..78a405cbac4 100644
--- a/src/mesa/main/lines.h
+++ b/src/mesa/main/lines.h
@@ -37,6 +37,9 @@
 
 struct gl_context;
 
+void GLAPIENTRY
+_mesa_LineWidth_no_error(GLfloat width);
+
 extern void GLAPIENTRY
 _mesa_LineWidth( GLfloat width );