diff --git a/tests/ResourceTrackingTests.cpp b/tests/ResourceTrackingTests.cpp
index 98272fd80..e1ec9dff6 100644
--- a/tests/ResourceTrackingTests.cpp
+++ b/tests/ResourceTrackingTests.cpp
@@ -2352,7 +2352,7 @@ void TestDynamicSrtReadRemainsExplicit() {
         "unified memory-offset layout is inconsistent");
 }
 
-void TestPhiValidation() {
+void TestWritableDescriptorPhi() {
   Fixture fixture;
   auto *left = fixture.block;
   auto *right = fixture.AddBlock();
@@ -2370,16 +2370,16 @@ void TestPhiValidation() {
                                    MemoryFlags{0, 20}, merge);
   MemoryInfo memory;
   memory.kind = ResourceKind::Buffer;
-  fixture.Emit(ValueOpcode::LoadBufferU32,
-               {handle, Value(0u), Value(0u), Value(0u), Value(true)},
+  fixture.Emit(ValueOpcode::StoreBufferU32,
+               {handle, Value(0u), Value(0u), Value(0u), Value(1u), Value(true)},
                fixture.AddMemory(memory, 20), merge);
 
   CheckFatal([&] { fixture.PlanAndTrack(); }, "not a valid runtime value",
-             "control-dependent descriptor phi was accepted");
+             "control-dependent writable descriptor phi was accepted");
   Check(!fixture.program.resource_tracking_complete &&
             fixture.program.info.buffers.empty() &&
             fixture.program.descriptor_sources.empty(),
-        "control-dependent descriptor phi was not rejected transactionally");
+        "control-dependent writable descriptor phi was not rejected transactionally");
 }
 
 ResourcePlan ConditionalSamplerPlan(bool diamond, bool reverse, bool reverse_phi,
@@ -3474,7 +3474,7 @@ int main() {
     Run("draw-uniform scalar image", TestUniformScalarBufferImage);
     Run("SRT runtime", TestSrtFlatteningAndRuntimeMemoization);
     Run("dynamic SRT", TestDynamicSrtReadRemainsExplicit);
-    Run("phi validation", TestPhiValidation);
+    Run("writable descriptor phi", TestWritableDescriptorPhi);
     Run("conditional sampler phi", TestConditionalSamplerPhi);
     Run("finite image phi cycle", TestFiniteImagePhiCycle);
     Run("finite image bit scan sentinel", TestFiniteImageBitScanSentinel);