diff --git a/src/back/hlsl/writer.rs b/src/back/hlsl/writer.rs
index ec452ebe44..8f7abc2a5a 100644
--- a/src/back/hlsl/writer.rs
+++ b/src/back/hlsl/writer.rs
@@ -2394,7 +2394,7 @@ impl<'a, W: fmt::Write> super::Writer<'a, W> {
                 };
                 let level_str = match level {
                     Sl::Zero if gather.is_none() => "LevelZero",
-                    Sl::Base => "LevelZero",
+                    Sl::Base => "Level",
                     Sl::Auto | Sl::Zero => "",
                     Sl::Exact(_) => "Level",
                     Sl::Bias(_) => "Bias",
@@ -2432,7 +2432,7 @@ impl<'a, W: fmt::Write> super::Writer<'a, W> {
                 }
 
                 match level {
-                    Sl::Auto | Sl::Zero | Sl::Base => {}
+                    Sl::Auto | Sl::Zero => {}
                     Sl::Exact(expr) => {
                         write!(self.out, ", ")?;
                         self.write_expr(module, expr, func_ctx)?;
@@ -2447,6 +2447,9 @@ impl<'a, W: fmt::Write> super::Writer<'a, W> {
                         write!(self.out, ", ")?;
                         self.write_expr(module, y, func_ctx)?;
                     }
+                    Sl::Base => {
+                        write!(self.out, ", 0.0")?;
+                    }
                 }
 
                 if let Some(offset) = offset {
diff --git a/tests/out/hlsl/image.hlsl b/tests/out/hlsl/image.hlsl
index 40831b5da1..63f1bd3153 100644
--- a/tests/out/hlsl/image.hlsl
+++ b/tests/out/hlsl/image.hlsl
@@ -314,9 +314,9 @@ float4 texture_sample() : SV_Target0
     a = (_expr136 + _expr135);
     float2 _expr140_dim;
     float _expr140_num;
-    image_2d.GetDimensions(0u, _expr140_dim.x, _expr140_dim.y, num);
+    image_2d.GetDimensions(0u, _expr140_dim.x, _expr140_dim.y, _expr140_num);
     float2 _expr140_half_texel = (0.5).xx / _expr140_dim;
-    float4 _expr140 = image_2d.SampleLevelZero(sampler_reg, clamp(tc, _expr140_half_texel, (1.0).xx - _expr140_half_texel));
+    float4 _expr140 = image_2d.SampleLevel(sampler_reg, clamp(tc, _expr140_half_texel, (1.0).xx - _expr140_half_texel), 0.0);
     float4 _expr141 = a;
     a = (_expr141 + _expr140);
     float4 _expr143 = a;