diff --git a/MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.cpp b/MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.cpp
index f1aed1ee..0b61d533 100644
--- a/MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.cpp
+++ b/MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.cpp
@@ -11,6 +11,7 @@ namespace MobileGL {
                 : m_renderbuffer(renderbuffer) {}
             FramebufferAttachment::FramebufferAttachment(std::nullptr_t)
                 : m_texture(nullptr), m_renderbuffer(nullptr) {}
+            FramebufferAttachment::FramebufferAttachment() : m_texture(nullptr), m_renderbuffer(nullptr) {}
 
             Bool FramebufferAttachment::IsTexture() const {
                 return m_texture != nullptr;
@@ -55,6 +56,10 @@ namespace MobileGL {
             }
 
             // FramebufferObject
+            FramebufferObject::FramebufferObject() {
+                m_attachments.fill(FramebufferAttachment(nullptr));
+            }
+
             void FramebufferObject::AttachTexture(FramebufferAttachmentType type, SharedPtr<ITextureObject> texture,
                                                   int level) {
                 m_attachments[static_cast<SizeT>(type)] = FramebufferAttachment(std::move(texture), level);
diff --git a/MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.h b/MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.h
index d2670c64..82ae0897 100644
--- a/MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.h
+++ b/MobileGL/MG_State/GLState/FramebufferState/FramebufferObject.h
@@ -61,6 +61,7 @@ namespace MobileGL {
                 explicit FramebufferAttachment(SharedPtr<MG_State::GLState::ITextureObject> texture, Int level = 0);
                 explicit FramebufferAttachment(SharedPtr<RenderbufferObjectStub> renderbuffer);
                 explicit FramebufferAttachment(std::nullptr_t);
+                explicit FramebufferAttachment();
 
                 Bool IsTexture() const;
                 Bool IsRenderbuffer() const;
@@ -72,8 +73,8 @@ namespace MobileGL {
                 IntVec3 GetSize() const;
 
             private:
-                SharedPtr<MG_State::GLState::ITextureObject> m_texture;
-                SharedPtr<RenderbufferObjectStub> m_renderbuffer;
+                SharedPtr<MG_State::GLState::ITextureObject> m_texture = nullptr;
+                SharedPtr<RenderbufferObjectStub> m_renderbuffer = nullptr;
                 Int m_textureLevel = 0;
             };