diff --git a/renderdocui/Code/CommonPipelineState.cs b/renderdocui/Code/CommonPipelineState.cs
index 0adc90f54..fe37d6b07 100644
--- a/renderdocui/Code/CommonPipelineState.cs
+++ b/renderdocui/Code/CommonPipelineState.cs
@@ -419,7 +419,7 @@ namespace renderdocui.Code
 
                         ret[a].VertexBuffer = (int)attrs[i].BufferSlot;
                         ret[a].RelativeByteOffset = attrs[i].RelativeOffset;
-                        ret[a].PerInstance = m_GL.m_VtxIn.vbuffers[attrs[i].BufferSlot].PerInstance;
+                        ret[a].PerInstance = m_GL.m_VtxIn.vbuffers[attrs[i].BufferSlot].Divisor > 0;
                         ret[a].InstanceRate = (int)m_GL.m_VtxIn.vbuffers[attrs[i].BufferSlot].Divisor;
                         ret[a].Format = attrs[i].Format;
 
diff --git a/renderdocui/Interop/GLPipelineState.cs b/renderdocui/Interop/GLPipelineState.cs
index 4bebd46f0..81e5e96da 100644
--- a/renderdocui/Interop/GLPipelineState.cs
+++ b/renderdocui/Interop/GLPipelineState.cs
@@ -52,7 +52,6 @@ namespace renderdoc
                 public ResourceId Buffer;
                 public UInt32 Stride;
                 public UInt32 Offset;
-                public bool PerInstance;
                 public UInt32 Divisor;
             };
             [CustomMarshalAs(CustomUnmanagedType.TemplatedArray)]