1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/engine/enginetest.c b/src/lib/libcrypto/engine/enginetest.c
index c2d0297392..cf82f490db 100644
--- a/src/lib/libcrypto/engine/enginetest.c
+++ b/src/lib/libcrypto/engine/enginetest.c
@@ -72,7 +72,7 @@ int main(int argc, char *argv[])
 #include <openssl/engine.h>
 #include <openssl/err.h>
 
-static void display_engine_list()
+static void display_engine_list(void)
         {
         ENGINE *h;
         int loop;