diff --git a/renderdoc/driver/d3d11/d3d11_context_wrap.cpp b/renderdoc/driver/d3d11/d3d11_context_wrap.cpp
index 38af3c6be..fe1e6225b 100644
--- a/renderdoc/driver/d3d11/d3d11_context_wrap.cpp
+++ b/renderdoc/driver/d3d11/d3d11_context_wrap.cpp
@@ -1937,7 +1937,7 @@ void WrappedID3D11DeviceContext::SOSetTargets(UINT NumBuffers, ID3D11Buffer *con
 	m_CurrentPipelineState->ChangeRefWrite(m_CurrentPipelineState->SO.Buffers, ppSOTargets, 0, NumBuffers);
 	m_CurrentPipelineState->Change(m_CurrentPipelineState->SO.Offsets, pOffsets, 0, NumBuffers);
 	
-	ID3D11Buffer *bufs[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
+	ID3D11Buffer *bufs[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT] = {0};
 	for(UINT i=0; i < NumBuffers; i++)
 	{
 		// technically this isn't dirty until the draw call, but let's be conservative
diff --git a/renderdoc/driver/d3d11/shaders/dxbc_debug.cpp b/renderdoc/driver/d3d11/shaders/dxbc_debug.cpp
index a1ab08470..5d7a5a00a 100644
--- a/renderdoc/driver/d3d11/shaders/dxbc_debug.cpp
+++ b/renderdoc/driver/d3d11/shaders/dxbc_debug.cpp
@@ -601,7 +601,7 @@ void State::SetDst(const ASMOperand &dstoper, const ASMOperation &op, const Shad
 {
 	ShaderVariable *v = NULL;
 	
-	uint32_t indices[4];
+	uint32_t indices[4] = {0};
 
 	RDCASSERT(dstoper.indices.size() <= 4);
 
@@ -778,7 +778,7 @@ ShaderVariable State::GetSrc(const ASMOperand &oper, const ASMOperation &op) con
 {
 	ShaderVariable v, s;
 
-	uint32_t indices[4];
+	uint32_t indices[4] = {0};
 
 	RDCASSERT(oper.indices.size() <= 4);