diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index 2e3eeaacd15..fc863be87af 100644
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -5261,7 +5261,7 @@
     <enum name="STENCIL_BACK_VALUE_MASK"          value="0x8CA4"/>
     <enum name="STENCIL_BACK_WRITEMASK"           value="0x8CA5"/>
 
-    <function name="BlendEquationSeparate" es2="2.0">
+    <function name="BlendEquationSeparate" es2="2.0" no_error="true">
         <param name="modeRGB" type="GLenum"/>
         <param name="modeA" type="GLenum"/>
         <glx rop="4228"/>
diff --git a/src/mesa/main/blend.c b/src/mesa/main/blend.c
index 2c13f190049..9ca04c1db29 100644
--- a/src/mesa/main/blend.c
+++ b/src/mesa/main/blend.c
@@ -672,6 +672,14 @@ blend_equation_separate(struct gl_context *ctx, GLenum modeRGB, GLenum modeA,
 }
 
 
+void GLAPIENTRY
+_mesa_BlendEquationSeparate_no_error(GLenum modeRGB, GLenum modeA)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   blend_equation_separate(ctx, modeRGB, modeA, true);
+}
+
+
 void GLAPIENTRY
 _mesa_BlendEquationSeparate(GLenum modeRGB, GLenum modeA)
 {
diff --git a/src/mesa/main/blend.h b/src/mesa/main/blend.h
index ec79eaa13ca..2454e0c744e 100644
--- a/src/mesa/main/blend.h
+++ b/src/mesa/main/blend.h
@@ -82,6 +82,9 @@ extern void GLAPIENTRY
 _mesa_BlendEquationiARB(GLuint buf, GLenum mode);
 
 
+void GLAPIENTRY
+_mesa_BlendEquationSeparate_no_error(GLenum modeRGB, GLenum modeA);
+
 extern void GLAPIENTRY
 _mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA );