diff --git a/tests/api.c b/tests/api.c
index f29e35983..60dc95823 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -61981,6 +61981,7 @@ static int test_openssl_FIPS_drbg(void)
     AssertIntNE(XMEMCMP(data1, zeroData, dlen), 0);
     AssertIntNE(XMEMCMP(data1, data2, dlen), 0);
     AssertIntEQ(FIPS_drbg_uninstantiate(dctx), WOLFSSL_SUCCESS);
+    wolfSSL_FIPS_drbg_free(dctx);
 
     res = TEST_RES_CHECK(1);
 #endif