diff --git a/paddle/fluid/platform/cuda_helper_test.cu b/paddle/fluid/platform/cuda_helper_test.cu
index ee45afab93d079374aefe366425502890854c28d..466bf90c63c1496883995819cdcb19f846e4a302 100644
--- a/paddle/fluid/platform/cuda_helper_test.cu
+++ b/paddle/fluid/platform/cuda_helper_test.cu
@@ -93,7 +93,7 @@ TEST(CudaAtomic, float16) {
 
 // unalignment of uint8
 void TestUnalign(size_t num, const int shift_bit) {
-  PADDLE_ENFORCE(num % 2 == 0, "must be a multiple of 2");
+  ASSERT_EQ(num % 2, 0);
   float16 *in1, *in2, *out;
   float16 *d_in1, *d_in2;
   size_t size = sizeof(uint8_t) * (num + shift_bit);