diff --git a/OpenSSL/X509/Store.hsc b/OpenSSL/X509/Store.hsc
index 779a91c..a5d1ecd 100644
--- a/OpenSSL/X509/Store.hsc
+++ b/OpenSSL/X509/Store.hsc
@@ -98,10 +98,10 @@ newtype X509StoreCtx = X509StoreCtx (ForeignPtr X509_STORE_CTX)
 foreign import ccall unsafe "X509_STORE_CTX_get_current_cert"
   _store_ctx_get_current_cert :: Ptr X509_STORE_CTX -> IO (Ptr X509_)
 
-foreign import ccall unsafe "X509_STORE_CTX_get0_current_issuer"
+foreign import ccall unsafe "HsOpenSSL_X509_STORE_CTX_get0_current_issuer"
   _store_ctx_get0_current_issuer :: Ptr X509_STORE_CTX -> IO (Ptr X509_)
 
-foreign import ccall unsafe "X509_STORE_CTX_get0_current_crl"
+foreign import ccall unsafe "HsOpenSSL_X509_STORE_CTX_get0_current_crl"
   _store_ctx_get0_current_crl :: Ptr X509_STORE_CTX -> IO (Ptr X509_CRL)
 
 foreign import ccall unsafe "X509_STORE_CTX_get_chain"
diff --git a/cbits/HsOpenSSL.c b/cbits/HsOpenSSL.c
index 6e854e6..cf2595a 100644
--- a/cbits/HsOpenSSL.c
+++ b/cbits/HsOpenSSL.c
@@ -111,6 +111,22 @@ void HsOpenSSL_X509_CRL_ref(X509_CRL* crl) {
     CRYPTO_add(&crl->references, 1, CRYPTO_LOCK_X509_CRL);
 }
 
+X509* HsOpenSSL_X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx) {
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+    return X509_STORE_CTX_get0_current_issuer(ctx);
+#else
+    return ctx->current_issuer;
+#endif
+}
+
+X509_CRL* HsOpenSSL_X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx) {
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+    return X509_STORE_CTX_get0_current_crl(ctx);
+#else
+    return ctx->current_crl;
+#endif
+}
+
 /* PKCS#7 *********************************************************************/
 long HsOpenSSL_PKCS7_is_detached(PKCS7* pkcs7) {
     return PKCS7_is_detached(pkcs7);