diff --git a/library/pkparse.c b/library/pkparse.c
index 07fce5c..4c55d34 100644
--- a/library/pkparse.c
+++ b/library/pkparse.c
@@ -683,7 +683,7 @@
 }
 #endif /* MBEDTLS_PK_HAVE_RFC8410_CURVES */
 
-#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
+#if defined(MBEDTLS_PK_USE_PSA_EC_DATA) && defined(MBEDTLS_PK_PARSE_EC_COMPRESSED)
 /*
  * Create a temporary ecp_keypair for converting an EC point in compressed
  * format to an uncompressed one
@@ -717,7 +717,7 @@
     mbedtls_ecp_keypair_free(&ecp_key);
     return ret;
 }
-#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
+#endif /* MBEDTLS_PK_USE_PSA_EC_DATA && MBEDTLS_PK_PARSE_EC_COMPRESSED */
 
 /*
  * EC public key is an EC point
@@ -744,12 +744,16 @@
      * consequence ecp functions are used to "convert" the point to
      * uncompressed format */
     if ((**p == 0x02) || (**p == 0x03)) {
+#if defined(MBEDTLS_PK_PARSE_EC_COMPRESSED)
         ret = pk_convert_compressed_ec(pk, *p, len,
                                        &(pk->pub_raw_len), pk->pub_raw,
                                        PSA_EXPORT_PUBLIC_KEY_MAX_SIZE);
         if (ret != 0) {
             return ret;
         }
+#else /* MBEDTLS_PK_PARSE_EC_COMPRESSED */
+        return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
+#endif /* MBEDTLS_PK_PARSE_EC_COMPRESSED */
     } else {
         /* Uncompressed format */
         if ((end - *p) > MBEDTLS_PK_MAX_EC_PUBKEY_RAW_LEN) {