diff --git a/src/renderer_d3d11.cpp b/src/renderer_d3d11.cpp
index df00a2e58..9f41d9918 100644
--- a/src/renderer_d3d11.cpp
+++ b/src/renderer_d3d11.cpp
@@ -2749,7 +2749,7 @@ namespace bgfx { namespace d3d11
 
 			uint32_t fstencil = unpackStencil(0, _stencil);
 			uint32_t ref = (fstencil&BGFX_STENCIL_FUNC_REF_MASK)>>BGFX_STENCIL_FUNC_REF_SHIFT;
-			_stencil &= packStencil(~BGFX_STENCIL_FUNC_REF_MASK, BGFX_STENCIL_MASK);
+			_stencil &= packStencil(~BGFX_STENCIL_FUNC_REF_MASK, ~BGFX_STENCIL_FUNC_REF_MASK);
 
 			bx::HashMurmur2A murmur;
 			murmur.begin();
diff --git a/src/renderer_d3d12.cpp b/src/renderer_d3d12.cpp
index bdce510c2..c964bbc5c 100644
--- a/src/renderer_d3d12.cpp
+++ b/src/renderer_d3d12.cpp
@@ -2647,7 +2647,7 @@ namespace bgfx { namespace d3d12
 				| BGFX_STATE_PT_MASK
 				;
 
-			_stencil &= packStencil(~BGFX_STENCIL_FUNC_REF_MASK, BGFX_STENCIL_MASK);
+			_stencil &= packStencil(~BGFX_STENCIL_FUNC_REF_MASK, ~BGFX_STENCIL_FUNC_REF_MASK);
 
 			VertexDecl decl;
 			bx::memCopy(&decl, _vertexDecls[0], sizeof(VertexDecl) );
diff --git a/src/renderer_mtl.mm b/src/renderer_mtl.mm
index 140fddd48..0915468d8 100644
--- a/src/renderer_mtl.mm
+++ b/src/renderer_mtl.mm
@@ -1707,7 +1707,7 @@ namespace bgfx { namespace mtl
 			uint32_t fstencil = unpackStencil(0, _stencil);
 			uint32_t ref      = (fstencil&BGFX_STENCIL_FUNC_REF_MASK)>>BGFX_STENCIL_FUNC_REF_SHIFT;
 
-			_stencil &= packStencil(~BGFX_STENCIL_FUNC_REF_MASK, BGFX_STENCIL_MASK);
+			_stencil &= packStencil(~BGFX_STENCIL_FUNC_REF_MASK, ~BGFX_STENCIL_FUNC_REF_MASK);
 
 			bx::HashMurmur2A murmur;
 			murmur.begin();
diff --git a/src/renderer_vk.cpp b/src/renderer_vk.cpp
index 35e237965..d5841261c 100644
--- a/src/renderer_vk.cpp
+++ b/src/renderer_vk.cpp
@@ -2609,7 +2609,7 @@ VK_IMPORT_DEVICE
 				| BGFX_STATE_PT_MASK
 				;
 
-			_stencil &= packStencil(~BGFX_STENCIL_FUNC_REF_MASK, BGFX_STENCIL_MASK);
+			_stencil &= packStencil(~BGFX_STENCIL_FUNC_REF_MASK, ~BGFX_STENCIL_FUNC_REF_MASK);
 
 			VertexDecl decl;
 			bx::memCopy(&decl, &m_vertexDecls[_declIdx], sizeof(VertexDecl) );