diff --git a/kexecdhs.c b/kexecdhs.c
index e49a0ef..d2c3feb 100644
--- a/kexecdhs.c
+++ b/kexecdhs.c
@@ -30,8 +30,6 @@
 #include <string.h>
 #include <signal.h>
 
-#include <openssl/ecdh.h>
-
 #include "xmalloc.h"
 #include "buffer.h"
 #include "key.h"
@@ -46,6 +44,10 @@
 #endif
 #include "monitor_wrap.h"
 
+#ifdef OPENSSL_HAS_ECC
+
+#include <openssl/ecdh.h>
+
 void
 kexecdh_server(Kex *kex)
 {
@@ -161,3 +163,10 @@
 	BN_clear_free(shared_secret);
 	kex_finish(kex);
 }
+#else /* OPENSSL_HAS_ECC */
+void
+kexecdh_server(Kex *kex)
+{
+	fatal("ECC support is not enabled");
+}
+#endif /* OPENSSL_HAS_ECC */