diff --git a/src/Slide.jl b/src/Slide.jl
index 917480e..28b6be1 100644
--- a/src/Slide.jl
+++ b/src/Slide.jl
@@ -73,10 +73,11 @@ function Slide(;
 end
 
 function new_rid(slide::Slide)
-    if isempty(shapes(slide))
+    # When there is no rid shapes the new rid should be 2
+    if isempty(slide.shapes)
         return 2
-    else
-        return maximum(rid.(shapes(slide))) + 1
+    else # default 2, or it should be the at least 1 bigger than the shape with the higest rid
+        return max(2, maximum(rid.(shapes(slide))) + 1)
     end
 end
 
diff --git a/test/testConstructors.jl b/test/testConstructors.jl
index fde5184..12eb4db 100644
--- a/test/testConstructors.jl
+++ b/test/testConstructors.jl
@@ -67,7 +67,7 @@ using Test
         picture_path = joinpath(PPTX.ASSETS_DIR, "cauliflower.jpg")
         p = Presentation([Slide([TextBox(),Picture(picture_path)])])
         @test rid(p.slides[1].shapes[1]) == 0
-        @test rid(p.slides[1].shapes[2]) == 1
+        @test rid(p.slides[1].shapes[2]) == 2
     end
     @testset "Slide" begin
         slide = Slide()
diff --git a/test/testSlideXML.jl b/test/testSlideXML.jl
index 578a171..e4e2481 100644
--- a/test/testSlideXML.jl
+++ b/test/testSlideXML.jl
@@ -33,6 +33,16 @@ end
     @test layout_relationship["Target"] == "../slideLayouts/slideLayout2.xml"
 end
 
+@testset "rId always bigger than 1 updating on push!" begin
+    s = Slide()
+    push!(s, TextBox("Some text"))
+    @test PPTX.rid(s.shapes[1]) == 0 # textboxes have no rid, so set to 0
+    push!(s, Picture(joinpath(PPTX.ASSETS_DIR,"julia_logo.png")))
+    @test PPTX.rid(s.shapes[2]) == 2
+    push!(s, Picture(joinpath(PPTX.ASSETS_DIR,"cauliflower.jpg")))
+    @test PPTX.rid(s.shapes[3]) == 3
+end
+
 @testset "update title in XML" begin
     template = ZipBufferReader(read(joinpath(PPTX.TEMPLATE_DIR,"no-slides.pptx")))