Stencil not working

        GlStateManager.pushMatrix();
        GlStateManager.pushAttrib();

        // Clear the stencil buffer
        GL11.glClearStencil(0);
        GL11.glClear(GL11.GL_STENCIL_BUFFER_BIT);

        GL11.glEnable(GL11.GL_STENCIL_TEST);
        GL11.glStencilOp(GL11.GL_REPLACE, GL11.GL_REPLACE, GL11.GL_REPLACE);
        GL11.glStencilFunc(GL11.GL_ALWAYS, 1, -1); // 1 is written into the buffer when we draw
        int xMid = width / 2;
        int yMid = height / 2;
        int smallBoxSize = 10;
        drawRect(xMid - smallBoxSize, yMid - smallBoxSize, xMid + smallBoxSize, yMid + smallBoxSize, -1);

        // Something something makes the fucking thing work (except it's not working)
        GL11.glStencilFunc(GL11.GL_NOTEQUAL, 1, -1); // Only draw if not equal to 1
        GL11.glStencilOp(GL11.GL_KEEP, GL11.GL_KEEP, GL11.GL_KEEP);
        drawRect(0, 0, width, height, 0xffff0000);

        GlStateManager.popAttrib();
        GlStateManager.popMatrix();