diff --git a/core/src/processing/opengl/PGraphicsOpenGL.java b/core/src/processing/opengl/PGraphicsOpenGL.java
@@ -6256,7 +6256,7 @@ protected void blendModeImpl() {
                                  PGL.FUNC_ADD);
      }
      pgl.blendFuncSeparate(PGL.SRC_ALPHA, PGL.ONE_MINUS_SRC_ALPHA,
-                            PGL.ONE,       PGL.ONE);

    } else if (blendMode == ADD) {
      if (blendEqSupported) {