diff --git a/tests/api.c b/tests/api.c
index 4b0a657f6d..ae8f6f355f 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -23967,21 +23967,23 @@ static int test_ParseSerial0FixtureMatrix(void)
         ExpectIntGE(derSz = wc_CertPemToDer(pemBuf, (int)pemSz, derBuf,
             (int)pemSz, CERT_TYPE), 0);
 
-        wc_InitDecodedCert(&dc, derBuf, (word32)derSz, NULL);
-        ret = wc_ParseCert(&dc, CERT_TYPE, NO_VERIFY, NULL);
-        if (cases[i].certTypeShouldPass)
-            ExpectIntEQ(ret, 0);
-        else
-            ExpectIntNE(ret, 0);
-        wc_FreeDecodedCert(&dc);
+        if (EXPECT_SUCCESS()) {
+            wc_InitDecodedCert(&dc, derBuf, (word32)derSz, NULL);
+            ret = wc_ParseCert(&dc, CERT_TYPE, NO_VERIFY, NULL);
+            if (cases[i].certTypeShouldPass)
+                ExpectIntEQ(ret, 0);
+            else
+                ExpectIntNE(ret, 0);
+            wc_FreeDecodedCert(&dc);
 
-        wc_InitDecodedCert(&dc, derBuf, (word32)derSz, NULL);
-        ret = wc_ParseCert(&dc, CA_TYPE, NO_VERIFY, NULL);
-        if (cases[i].caTypeShouldPass)
-            ExpectIntEQ(ret, 0);
-        else
-            ExpectIntNE(ret, 0);
-        wc_FreeDecodedCert(&dc);
+            wc_InitDecodedCert(&dc, derBuf, (word32)derSz, NULL);
+            ret = wc_ParseCert(&dc, CA_TYPE, NO_VERIFY, NULL);
+            if (cases[i].caTypeShouldPass)
+                ExpectIntEQ(ret, 0);
+            else
+                ExpectIntNE(ret, 0);
+            wc_FreeDecodedCert(&dc);
+        }
 
         XFREE(derBuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
         XFREE(pemBuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);