diff --git a/lib/Dialect/Torch/Transforms/DecomposeComplexOps.cpp b/lib/Dialect/Torch/Transforms/DecomposeComplexOps.cpp
index cc21f2155..5354ca233 100644
--- a/lib/Dialect/Torch/Transforms/DecomposeComplexOps.cpp
+++ b/lib/Dialect/Torch/Transforms/DecomposeComplexOps.cpp
@@ -1201,6 +1201,21 @@ class DecomposeAtenIsposinfOp : public OpRewritePattern<AtenIsposinfOp> {
 };
 } // namespace
 
+namespace {
+class DecomposeAtenNonzeroOp : public OpRewritePattern<AtenNonzeroOp> {
+public:
+  using OpRewritePattern<AtenNonzeroOp>::OpRewritePattern;
+  LogicalResult matchAndRewrite(AtenNonzeroOp op,
+                                PatternRewriter &rewriter) const override {
+    Location loc = op.getLoc();
+    Value zeroScalar =
+        rewriter.create<ConstantIntOp>(loc, rewriter.getI64IntegerAttr(0));
+    rewriter.replaceOpWithNewOp<AtenNeScalarOp>(op, op.getType(), op.getSelf(),
+                                                zeroScalar);
+    return success();
+  }
+};
+} // namespace
 namespace {
 class DecomposeAtenReshapeOp : public OpRewritePattern<AtenReshapeOp> {
 public:
@@ -7740,10 +7755,13 @@ public:
     addPatternIfTargetOpIsIllegal<DecomposeAtenZeroOp>(patterns);
     addPatternIfTargetOpIsIllegal<DecomposeAtenEyeOp>(patterns);
     addPatternIfTargetOpIsIllegal<DecomposeAtenEyeMOp>(patterns);
+    // is-xxx ops
     addPatternIfTargetOpIsIllegal<DecomposeAtenIsnanOp>(patterns);
     addPatternIfTargetOpIsIllegal<DecomposeAtenIsinfOp>(patterns);
     addPatternIfTargetOpIsIllegal<DecomposeAtenIsneginfOp>(patterns);
     addPatternIfTargetOpIsIllegal<DecomposeAtenIsposinfOp>(patterns);
+    addPatternIfTargetOpIsIllegal<DecomposeAtenNonzeroOp>(patterns);
+
     addPatternIfTargetOpIsIllegal<DecomposeAtenRandLikeOp>(patterns);
     addPatternIfTargetOpIsIllegal<DecomposeAtenHardsigmoidOp>(patterns);
     addPatternIfTargetOpIsIllegal<DecomposeAtenRelu6Op>(patterns);
diff --git a/test/Dialect/Torch/decompose-complex-ops.mlir b/test/Dialect/Torch/decompose-complex-ops.mlir
index 530160f99..39b150339 100644
--- a/test/Dialect/Torch/decompose-complex-ops.mlir
+++ b/test/Dialect/Torch/decompose-complex-ops.mlir
@@ -78,3 +78,10 @@ func.func @torch.aten.type_as$fold(%arg0: !torch.tensor<[?], f16>, %arg1: !torch
   %0 = torch.aten.type_as %arg0, %arg1 : !torch.tensor<[?], f16>, !torch.tensor<[?,?],f16> -> !torch.tensor<[?], f16>
   return %0 : !torch.tensor<[?], f16>
 }
+
+// -----
+// CHECK-LABEL:   func.func @torch.aten.nonzero
+func.func @torch.aten.nonzero(%arg0: !torch.vtensor<[3,4,5],f32>) -> !torch.vtensor<[3,4,5],si64> {
+  %0 = torch.aten.nonzero %arg0 : !torch.vtensor<[3,4,5],f32> -> !torch.vtensor<[3,4,5],si64>
+  return %0 : !torch.vtensor<[3,4,5],si64>
+}