diff --git a/src/network/ssl/qsslsocket_openssl_symbols.cpp b/src/network/ssl/qsslsocket_openssl_symbols.cpp
index 3a236a1300e..1b731359350 100644
--- a/src/network/ssl/qsslsocket_openssl_symbols.cpp
+++ b/src/network/ssl/qsslsocket_openssl_symbols.cpp
@@ -1017,7 +1017,7 @@ bool q_resolveOpenSslSymbols()
     RESOLVEFUNC(EC_GROUP_get_degree)
 #endif
     RESOLVEFUNC(BN_num_bits)
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+#if QT_CONFIG(opensslv11)
     RESOLVEFUNC(BN_is_word)
 #endif
     RESOLVEFUNC(BN_mod_word)
diff --git a/src/network/ssl/qsslsocket_openssl_symbols_p.h b/src/network/ssl/qsslsocket_openssl_symbols_p.h
index 796bf2d4f59..4cad0231cd8 100644
--- a/src/network/ssl/qsslsocket_openssl_symbols_p.h
+++ b/src/network/ssl/qsslsocket_openssl_symbols_p.h
@@ -232,9 +232,10 @@ BIO *q_BIO_new_mem_buf(void *a, int b);
 int q_BIO_read(BIO *a, void *b, int c);
 Q_AUTOTEST_EXPORT int q_BIO_write(BIO *a, const void *b, int c);
 int q_BN_num_bits(const BIGNUM *a);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+
+#if QT_CONFIG(opensslv11)
 int q_BN_is_word(BIGNUM *a, BN_ULONG w);
-#else
+#else // opensslv11
 // BN_is_word is implemented purely as a
 // macro in OpenSSL < 1.1. It doesn't
 // call any functions.
@@ -245,7 +246,8 @@ int q_BN_is_word(BIGNUM *a, BN_ULONG w);
 //
 // Users are required to include <openssl/bn.h>.
 #define q_BN_is_word BN_is_word
-#endif // OPENSSL_VERSION_NUMBER >= 0x10100000L
+#endif // !opensslv11
+
 BN_ULONG q_BN_mod_word(const BIGNUM *a, BN_ULONG w);
 #ifndef OPENSSL_NO_EC
 const EC_GROUP* q_EC_KEY_get0_group(const EC_KEY* k);