diff --git a/ext/dtls/gstdtlscertificate.c b/ext/dtls/gstdtlscertificate.c
index c2d9bb2..144d11a 100644
--- a/ext/dtls/gstdtlscertificate.c
+++ b/ext/dtls/gstdtlscertificate.c
@@ -46,7 +46,9 @@
 #endif
 
 #include <openssl/ssl.h>
-
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+#include <openssl/rsa.h>
+#endif
 GST_DEBUG_CATEGORY_STATIC (gst_dtls_certificate_debug);
 #define GST_CAT_DEFAULT gst_dtls_certificate_debug