diff --git a/engines/e_4758cca.c b/engines/e_4758cca.c
index 9f6572e..443182b 100644
--- a/engines/e_4758cca.c
+++ b/engines/e_4758cca.c
@@ -108,7 +108,7 @@
 
 /* RAND number functions */
 /*-----------------------*/
-static int cca_get_random_bytes(unsigned char*, int );
+static int cca_get_random_bytes(unsigned char*, int);
 static int cca_random_status(void);
 
 #ifndef OPENSSL_NO_RSA