diff --git a/apps/apps.c b/apps/apps.c
index 248c65a..613c3ba 100644
--- a/apps/apps.c
+++ b/apps/apps.c
@@ -125,7 +125,9 @@
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
 #endif
+#ifndef OPENSSL_NO_RSA
 #include <openssl/rsa.h>
+#endif
 #include <openssl/bn.h>
 
 #define NON_MAIN