1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/evp/evp_key.c b/src/lib/libcrypto/evp/evp_key.c
index f8650d5df6..361ea69ab6 100644
--- a/src/lib/libcrypto/evp/evp_key.c
+++ b/src/lib/libcrypto/evp/evp_key.c
@@ -66,7 +66,7 @@
 /* should be init to zeros. */
 static char prompt_string[80];
 
-void EVP_set_pw_prompt(char *prompt)
+void EVP_set_pw_prompt(const char *prompt)
         {
         if (prompt == NULL)
                 prompt_string[0]='\0';