diff --git a/qrenderdoc/Code/FormatElement.cpp b/qrenderdoc/Code/FormatElement.cpp
index 695d02b64..fae70325d 100644
--- a/qrenderdoc/Code/FormatElement.cpp
+++ b/qrenderdoc/Code/FormatElement.cpp
@@ -903,7 +903,9 @@ QVariantList FormatElement::GetVariants(const byte *&data, const byte *end) cons
       }
       else if(format.compType == CompType::SInt)
       {
-        if(format.compByteWidth == 4)
+        if(format.compByteWidth == 8)
+          ret.push_back((int64_t)readObj<int64_t>(data, end, ok));
+        else if(format.compByteWidth == 4)
           ret.push_back((int)readObj<int32_t>(data, end, ok));
         else if(format.compByteWidth == 2)
           ret.push_back((int)readObj<int16_t>(data, end, ok));
@@ -912,7 +914,9 @@ QVariantList FormatElement::GetVariants(const byte *&data, const byte *end) cons
       }
       else if(format.compType == CompType::UInt)
       {
-        if(format.compByteWidth == 4)
+        if(format.compByteWidth == 8)
+          ret.push_back((uint64_t)readObj<uint64_t>(data, end, ok));
+        else if(format.compByteWidth == 4)
           ret.push_back((uint32_t)readObj<uint32_t>(data, end, ok));
         else if(format.compByteWidth == 2)
           ret.push_back((uint32_t)readObj<uint16_t>(data, end, ok));