diff --git a/src/graphics/shader/recompiler/ir/passes/SrtWalker.cpp b/src/graphics/shader/recompiler/ir/passes/SrtWalker.cpp
index f799257a6..77a7c194b 100644
--- a/src/graphics/shader/recompiler/ir/passes/SrtWalker.cpp
+++ b/src/graphics/shader/recompiler/ir/passes/SrtWalker.cpp
@@ -125,6 +125,7 @@ bool IsRuntimeUniformOp(ValueOpcode op) {
 		case ValueOpcode::ULessThan32:
 		case ValueOpcode::IEqual32:
 		case ValueOpcode::UGreaterThan32:
+		case ValueOpcode::SGreaterThanEqual32:
 		case ValueOpcode::INotEqual32:
 		case ValueOpcode::LogicalOr:
 		case ValueOpcode::LogicalAnd:
@@ -930,6 +931,13 @@ private:
 					return true;
 				}
 				return false;
+			case ValueOpcode::SGreaterThanEqual32:
+				if (binary()) {
+					result = std::bit_cast<int32_t>(static_cast<uint32_t>(a)) >=
+					         std::bit_cast<int32_t>(static_cast<uint32_t>(b));
+					return true;
+				}
+				return false;
 			case ValueOpcode::LogicalAnd:
 				if (binary()) {
 					result = (a != 0u) && (b != 0u);
diff --git a/tests/ResourceTrackingTests.cpp b/tests/ResourceTrackingTests.cpp
index cd8de932e..87cf3a922 100644
--- a/tests/ResourceTrackingTests.cpp
+++ b/tests/ResourceTrackingTests.cpp
@@ -1246,7 +1246,7 @@ ResourcePlan ConditionalSamplerPlan(bool diamond, bool reverse, bool reverse_phi
     flag = fixture.Emit(ValueOpcode::LaneId);
   }
   fixture.program.block_info[0].condition =
-      fixture.Emit(ValueOpcode::IEqual32, {flag, Value(0u)});
+      fixture.Emit(ValueOpcode::SGreaterThanEqual32, {flag, Value(0u)});
   if (writable) {
     MemoryInfo memory;
     memory.kind = ResourceKind::Buffer;
@@ -1324,9 +1324,10 @@ void TestConditionalSamplerPhi() {
                                  .userdata = &memory,
                                  .read_specialization_memory =
                                      ReadLinearTestMemory};
-        for (uint32_t flag = 0; flag < 2; ++flag) {
-          memory.words[(0x1000 + 196) / 4] = flag;
-          const uint32_t first = (flag != 0u) != reverse ? 480 / 4 : 448 / 4;
+        // Sampler selection compares a signed value against zero.
+        for (const auto flag : {-1, 0, 1, INT32_MIN, INT32_MAX}) {
+          memory.words[(0x1000 + 196) / 4] = std::bit_cast<uint32_t>(flag);
+          const uint32_t first = (flag < 0) != reverse ? 480 / 4 : 448 / 4;
           memory.fail_address = 0x1000 + (first == 448 / 4 ? 480u : 448u);
           DescriptorValue selected;
           Check(EvaluateDescriptorSource(plan, source, runtime, selected),