diff --git a/nmap_winconfig.h b/nmap_winconfig.h
index 5030b20bc..43a36bd6a 100644
--- a/nmap_winconfig.h
+++ b/nmap_winconfig.h
@@ -72,6 +72,7 @@
 #define NMAP_PLATFORM "i686-pc-windows-windows"
 
 #define HAVE_OPENSSL 1
+#define HAVE_OPENSSL_EC 1
 #define HAVE_SSL_SET_TLSEXT_HOST_NAME 1
 #define HAVE_LIBSSH2 1
 #define HAVE_LIBZ 1
diff --git a/nse_ssl_cert.cc b/nse_ssl_cert.cc
index 53f3ddaf5..469d9cc4d 100644
--- a/nse_ssl_cert.cc
+++ b/nse_ssl_cert.cc
@@ -429,7 +429,7 @@ static const char *pkey_type_to_string(int type)
     return "dsa";
   case EVP_PKEY_DH:
     return "dh";
-#ifdef HAVE_OPENSSL_EC
+#ifdef EVP_PKEY_EC
   case EVP_PKEY_EC:
     return "ec";
 #endif