diff --git a/rpcs3/Emu/RSX/GL/GLVertexBuffers.cpp b/rpcs3/Emu/RSX/GL/GLVertexBuffers.cpp
index 5287cc8d1b..ec7007888e 100644
--- a/rpcs3/Emu/RSX/GL/GLVertexBuffers.cpp
+++ b/rpcs3/Emu/RSX/GL/GLVertexBuffers.cpp
@@ -241,6 +241,7 @@ gl::vertex_upload_info GLGSRender::set_vertex_buffer()
 
 			m_persistent_stream_view.update(m_attrib_ring_buffer.get(), upload_info.persistent_mapping_offset, (u32)view_size);
 			m_gl_persistent_stream_buffer.copy_from(m_persistent_stream_view);
+			upload_info.persistent_mapping_offset = 0;
 		}
 	}
 
@@ -256,6 +257,7 @@ gl::vertex_upload_info GLGSRender::set_vertex_buffer()
 
 			m_volatile_stream_view.update(m_attrib_ring_buffer.get(), upload_info.volatile_mapping_offset, (u32)view_size);
 			m_gl_volatile_stream_buffer.copy_from(m_volatile_stream_view);
+			upload_info.volatile_mapping_offset = 0;
 		}
 	}