diff --git a/boot/bootutil/include/bootutil/image.h b/boot/bootutil/include/bootutil/image.h
index 22980d99..18b099cf 100644
--- a/boot/bootutil/include/bootutil/image.h
+++ b/boot/bootutil/include/bootutil/image.h
@@ -86,10 +86,10 @@ struct flash_area;
 #define IMAGE_TLV_SHA256            0x10   /* SHA256 of image hdr and body */
 #define IMAGE_TLV_RSA2048_PSS       0x20   /* RSA2048 of hash output */
 #define IMAGE_TLV_ECDSA224          0x21   /* ECDSA of hash output - Not supported anymore */
-#define IMAGE_TLV_ECDSA256          0x22   /* ECDSA of hash output */
+#define IMAGE_TLV_ECDSA256          0x22   /* ECDSA of hash output - Not supported anymore */
 #define IMAGE_TLV_RSA3072_PSS       0x23   /* RSA3072 of hash output */
 #define IMAGE_TLV_ED25519           0x24   /* ed25519 of hash output */
-#define IMAGE_TLV_ECDSA_SIG         0x25   /* generic ECDSA signature */
+#define IMAGE_TLV_ECDSA_SIG         0x25   /* ECDSA of hash output */
 #define IMAGE_TLV_ENC_RSA2048       0x30   /* Key encrypted with RSA-OAEP-2048 */
 #define IMAGE_TLV_ENC_KW            0x31   /* Key encrypted with AES-KW 128 or 256*/
 #define IMAGE_TLV_ENC_EC256         0x32   /* Key encrypted with ECIES-EC256 */
diff --git a/boot/bootutil/src/image_validate.c b/boot/bootutil/src/image_validate.c
index 07e0e858..699017aa 100644
--- a/boot/bootutil/src/image_validate.c
+++ b/boot/bootutil/src/image_validate.c
@@ -184,10 +184,11 @@ bootutil_img_hash(struct enc_key_data *enc_state, int image_index,
 #    endif
 #    define SIG_BUF_SIZE (MCUBOOT_SIGN_RSA_LEN / 8)
 #    define EXPECTED_SIG_LEN(x) ((x) == SIG_BUF_SIZE) /* 2048 bits */
-#elif defined(MCUBOOT_SIGN_EC256)
-#    define EXPECTED_SIG_TLV IMAGE_TLV_ECDSA256
+#elif defined(MCUBOOT_SIGN_EC256) || \
+      defined(MCUBOOT_SIGN_EC)
+#    define EXPECTED_SIG_TLV IMAGE_TLV_ECDSA_SIG
 #    define SIG_BUF_SIZE 128
-#    define EXPECTED_SIG_LEN(x)  (1) /* always true, ASN.1 will validate */
+#    define EXPECTED_SIG_LEN(x) (1) /* always true, ASN.1 will validate */
 #elif defined(MCUBOOT_SIGN_ED25519)
 #    define EXPECTED_SIG_TLV IMAGE_TLV_ED25519
 #    define SIG_BUF_SIZE 64
diff --git a/docs/design.md b/docs/design.md
index 7a192cd1..12d68eeb 100755
--- a/docs/design.md
+++ b/docs/design.md
@@ -108,9 +108,10 @@ struct image_tlv {
 #define IMAGE_TLV_SHA256            0x10   /* SHA256 of image hdr and body */
 #define IMAGE_TLV_RSA2048_PSS       0x20   /* RSA2048 of hash output */
 #define IMAGE_TLV_ECDSA224          0x21   /* ECDSA of hash output - Not supported anymore */
-#define IMAGE_TLV_ECDSA256          0x22   /* ECDSA of hash output */
+#define IMAGE_TLV_ECDSA256          0x22   /* ECDSA of hash output - Not supported anymore */
 #define IMAGE_TLV_RSA3072_PSS       0x23   /* RSA3072 of hash output */
 #define IMAGE_TLV_ED25519           0x24   /* ED25519 of hash output */
+#define IMAGE_TLV_ECDSA_SIG         0x25   /* ECDSA of hash output */
 #define IMAGE_TLV_ENC_RSA2048       0x30   /* Key encrypted with RSA-OAEP-2048 */
 #define IMAGE_TLV_ENC_KW            0x31   /* Key encrypted with AES-KW-128 or
                                               256 */