diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index a0b93cb1490..513b57aab3d 100644
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -5279,7 +5279,7 @@
         <glx ignore="true"/>
     </function>
 
-    <function name="StencilOpSeparate" es2="2.0">
+    <function name="StencilOpSeparate" es2="2.0" no_error="true">
         <param name="face" type="GLenum"/>
         <param name="sfail" type="GLenum"/>
         <param name="zfail" type="GLenum"/>
diff --git a/src/mesa/main/stencil.c b/src/mesa/main/stencil.c
index fa68fa1bd0d..d7e94194012 100644
--- a/src/mesa/main/stencil.c
+++ b/src/mesa/main/stencil.c
@@ -429,6 +429,15 @@ stencil_op_separate(struct gl_context *ctx, GLenum face, GLenum sfail,
 }
 
 
+void GLAPIENTRY
+_mesa_StencilOpSeparate_no_error(GLenum face, GLenum sfail, GLenum zfail,
+                                 GLenum zpass)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   stencil_op_separate(ctx, face, sfail, zfail, zpass);
+}
+
+
 void GLAPIENTRY
 _mesa_StencilOpSeparate(GLenum face, GLenum sfail, GLenum zfail, GLenum zpass)
 {
diff --git a/src/mesa/main/stencil.h b/src/mesa/main/stencil.h
index af7067381c7..87708e009c9 100644
--- a/src/mesa/main/stencil.h
+++ b/src/mesa/main/stencil.h
@@ -56,6 +56,9 @@ _mesa_StencilOp( GLenum fail, GLenum zfail, GLenum zpass );
 extern void GLAPIENTRY
 _mesa_ActiveStencilFaceEXT(GLenum face);
 
+void GLAPIENTRY
+_mesa_StencilOpSeparate_no_error(GLenum face, GLenum fail, GLenum zfail,
+                                 GLenum zpass);
 
 extern void GLAPIENTRY
 _mesa_StencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass);