diff --git a/crypto/bio/b_sock2.c b/crypto/bio/b_sock2.c
index 823732d64e1a352880d01e22735af6cfdc48785d..5d82ab22dc304c337d70140f849d4a0f253a5eb6 100644
--- a/crypto/bio/b_sock2.c
+++ b/crypto/bio/b_sock2.c
@@ -133,7 +133,9 @@ int BIO_connect(int sock, const BIO_ADDR *addr, int options)
  */
 int BIO_bind(int sock, const BIO_ADDR *addr, int options)
 {
+# ifndef OPENSSL_SYS_WINDOWS
     int on = 1;
+# endif
 
     if (sock == -1) {
         BIOerr(BIO_F_BIO_BIND, BIO_R_INVALID_SOCKET);
diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c
index b1e535a69596406fc81569806fdc6e3aa71f6ab0..1cd77c96d2f7f7e0911dacf56ad88128f48affe0 100644
--- a/crypto/cryptlib.c
+++ b/crypto/cryptlib.c
@@ -204,7 +204,7 @@ int OPENSSL_isservice(void)
 
     if (_OPENSSL_isservice.p == NULL) {
         HANDLE mod = GetModuleHandle(NULL);
-        FARPROC f;
+        FARPROC f = NULL;
 
         if (mod != NULL)
             f = GetProcAddress(mod, "_OPENSSL_isservice");
diff --git a/util/mkrc.pl b/util/mkrc.pl
index a221d51765138352b9edfba418cd35e356a73848..6762bc4a5698e085a099c4518381e37e2ba21632 100755
--- a/util/mkrc.pl
+++ b/util/mkrc.pl
@@ -70,7 +70,7 @@ BEGIN
         BLOCK "040904b0"
         BEGIN
             // Required:
-            VALUE "CompanyName", "The OpenSSL Project, http://www.openssl.org/\\0"
+            VALUE "CompanyName", "The OpenSSL Project, https://www.openssl.org/\\0"
             VALUE "FileDescription", "$description\\0"
             VALUE "FileVersion", "$version\\0"
             VALUE "InternalName", "$filename\\0"