diff --git a/IddSampleDriver/Driver.cpp b/IddSampleDriver/Driver.cpp
index 75909ad..4d330b6 100644
--- a/IddSampleDriver/Driver.cpp
+++ b/IddSampleDriver/Driver.cpp
@@ -56,6 +56,9 @@ vector<tuple<int, int, int>> monitorModes;
 vector< DISPLAYCONFIG_VIDEO_SIGNAL_INFO> s_KnownMonitorModes2;
 UINT numVirtualDisplays;
 
+std::vector<unsigned char>
+Microsoft::IndirectDisp::IndirectDeviceContext::s_knownMonitorEdidData;
+
 struct IndirectDeviceContextWrapper
 {
 	IndirectDeviceContext* pContext;
diff --git a/IddSampleDriver/Driver.h b/IddSampleDriver/Driver.h
index 5bb76b0..07ee040 100644
--- a/IddSampleDriver/Driver.h
+++ b/IddSampleDriver/Driver.h
@@ -80,6 +80,7 @@ namespace Microsoft
         public:
             IndirectDeviceContext(_In_ WDFDEVICE WdfDevice);
             virtual ~IndirectDeviceContext();
+            static std::vector<unsigned char> s_knownMonitorEdidData;
 
             void InitAdapter();
             void FinishInit();
@@ -101,7 +102,7 @@ namespace Microsoft
         public:
             static const DISPLAYCONFIG_VIDEO_SIGNAL_INFO s_KnownMonitorModes[];
             static BYTE* s_KnownMonitorEdid();
-            static std::vector<BYTE> s_knownMonitorEdidData;
+           
         };
     };
 }
\ No newline at end of file