diff --git a/lib/hcrypto/test_rsa.c b/lib/hcrypto/test_rsa.c
index 3449d9b2a..43bb6d4db 100644
--- a/lib/hcrypto/test_rsa.c
+++ b/lib/hcrypto/test_rsa.c
@@ -149,7 +149,7 @@ cb_func(int a, int b, BN_GENCB *c)
 }
 
 static RSA *
-read_key(ENGINE *engine, const char *rsa_key)
+read_key(ENGINE *engine, const char *keyfile)
 {
     unsigned char buf[1024 * 4];
     const unsigned char *p;
@@ -157,22 +157,22 @@ read_key(ENGINE *engine, const char *rsa_key)
     RSA *rsa;
     FILE *f;
 
-    f = fopen(rsa_key, "rb");
+    f = fopen(keyfile, "rb");
     if (f == NULL)
-	err(1, "could not open file %s", rsa_key);
+	err(1, "could not open file %s", keyfile);
     rk_cloexec_file(f);
 
     size = fread(buf, 1, sizeof(buf), f);
     fclose(f);
     if (size == 0)
-	err(1, "failed to read file %s", rsa_key);
+	err(1, "failed to read file %s", keyfile);
     if (size == sizeof(buf))
-	err(1, "key too long in file %s!", rsa_key);
+	err(1, "key too long in file %s!", keyfile);
 
     p = buf;
     rsa = d2i_RSAPrivateKey(NULL, &p, size);
     if (rsa == NULL)
-	err(1, "failed to parse key in file %s", rsa_key);
+	err(1, "failed to parse key in file %s", keyfile);
 
     RSA_set_method(rsa, ENGINE_get_RSA(engine));