diff --git a/src/network/ssl/qsslsocket_openssl_symbols.cpp b/src/network/ssl/qsslsocket_openssl_symbols.cpp
index e8bfc4d949..81637cf0cc 100644
--- a/src/network/ssl/qsslsocket_openssl_symbols.cpp
+++ b/src/network/ssl/qsslsocket_openssl_symbols.cpp
@@ -288,7 +288,7 @@ DEFINEFUNC(const EVP_CIPHER *, EVP_aes_192_cbc, DUMMYARG, DUMMYARG, return nullp
 DEFINEFUNC(const EVP_CIPHER *, EVP_aes_256_cbc, DUMMYARG, DUMMYARG, return nullptr, return)
 #endif
 DEFINEFUNC(const EVP_MD *, EVP_sha1, DUMMYARG, DUMMYARG, return nullptr, return)
-DEFINEFUNC3(int, EVP_PKEY_assign, EVP_PKEY *a, a, int b, b, char *c, c, return -1, return)
+DEFINEFUNC3(int, EVP_PKEY_assign, EVP_PKEY *a, a, int b, b, void *r, r, return -1, return)
 DEFINEFUNC2(int, EVP_PKEY_set1_RSA, EVP_PKEY *a, a, RSA *b, b, return -1, return)
 DEFINEFUNC2(int, EVP_PKEY_set1_DSA, EVP_PKEY *a, a, DSA *b, b, return -1, return)
 DEFINEFUNC2(int, EVP_PKEY_set1_DH, EVP_PKEY *a, a, DH *b, b, return -1, return)
diff --git a/src/network/ssl/qsslsocket_openssl_symbols_p.h b/src/network/ssl/qsslsocket_openssl_symbols_p.h
index ddfb91f312..815986554a 100644
--- a/src/network/ssl/qsslsocket_openssl_symbols_p.h
+++ b/src/network/ssl/qsslsocket_openssl_symbols_p.h
@@ -415,7 +415,7 @@ const EVP_CIPHER *q_EVP_aes_256_cbc();
 #endif // OPENSSL_NO_AES
 
 Q_AUTOTEST_EXPORT const EVP_MD *q_EVP_sha1();
-int q_EVP_PKEY_assign(EVP_PKEY *a, int b, char *c);
+int q_EVP_PKEY_assign(EVP_PKEY *a, int b, void *r);
 Q_AUTOTEST_EXPORT int q_EVP_PKEY_set1_RSA(EVP_PKEY *a, RSA *b);
 Q_AUTOTEST_EXPORT int q_EVP_PKEY_set1_DSA(EVP_PKEY *a, DSA *b);
 Q_AUTOTEST_EXPORT int q_EVP_PKEY_set1_DH(EVP_PKEY *a, DH *b);