diff --git a/renderdoc/driver/d3d11/d3d11_shaderdebug.cpp b/renderdoc/driver/d3d11/d3d11_shaderdebug.cpp
index 89ea017d1..ec7592866 100644
--- a/renderdoc/driver/d3d11/d3d11_shaderdebug.cpp
+++ b/renderdoc/driver/d3d11/d3d11_shaderdebug.cpp
@@ -1255,8 +1255,8 @@ bool D3D11DebugAPIWrapper::CalculateSampleGather(
   ShaderVariable lookupResult("tex", 0.0f, 0.0f, 0.0f, 0.0f);
 
   float *retFloats = (float *)mapped.pData;
-  uint32_t *retUInts = (uint32_t *)(retFloats + 16);
-  int32_t *retSInts = (int32_t *)(retUInts + 16);
+  uint32_t *retUInts = (uint32_t *)(retFloats + 8);
+  int32_t *retSInts = (int32_t *)(retUInts + 8);
 
   if(cbufferData.debugSampleRetType == DEBUG_SAMPLE_UINT)
   {
diff --git a/renderdoc/driver/d3d12/d3d12_shaderdebug.cpp b/renderdoc/driver/d3d12/d3d12_shaderdebug.cpp
index 30127bcfb..1f34bf780 100644
--- a/renderdoc/driver/d3d12/d3d12_shaderdebug.cpp
+++ b/renderdoc/driver/d3d12/d3d12_shaderdebug.cpp
@@ -1288,8 +1288,8 @@ bool D3D12DebugAPIWrapper::CalculateSampleGather(
   ShaderVariable lookupResult("tex", 0.0f, 0.0f, 0.0f, 0.0f);
 
   float *retFloats = (float *)results;
-  uint32_t *retUInts = (uint32_t *)(retFloats + 16);
-  int32_t *retSInts = (int32_t *)(retUInts + 16);
+  uint32_t *retUInts = (uint32_t *)(retFloats + 8);
+  int32_t *retSInts = (int32_t *)(retUInts + 8);
 
   if(cbufferData.debugSampleRetType == DEBUG_SAMPLE_UINT)
   {