diff --git a/src/pk.c b/src/pk.c
index b4515783c..718e75adb 100644
--- a/src/pk.c
+++ b/src/pk.c
@@ -12659,7 +12659,7 @@ point_conversion_form_t wolfSSL_EC_KEY_get_conv_form(const WOLFSSL_EC_KEY* key)
     int ret = -1;
 
     if (key != NULL) {
-        ret = (int)(unsigned char)key->form;
+        ret = key->form;
     }
 
     return ret;
diff --git a/wolfssl/openssl/ec.h b/wolfssl/openssl/ec.h
index 3fb5270f5..065c63ceb 100644
--- a/wolfssl/openssl/ec.h
+++ b/wolfssl/openssl/ec.h
@@ -116,7 +116,7 @@ struct WOLFSSL_EC_KEY {
 
     void*          internal;     /* our ECC Key */
     void*          heap;
-    char           form;         /* Either POINT_CONVERSION_UNCOMPRESSED or
+    unsigned char  form;         /* Either POINT_CONVERSION_UNCOMPRESSED or
                                   * POINT_CONVERSION_COMPRESSED */
     word16 pkcs8HeaderSz;