diff --git a/include/zcbor_print.h b/include/zcbor_print.h
index ee7db693..aafa657c 100644
--- a/include/zcbor_print.h
+++ b/include/zcbor_print.h
@@ -135,6 +135,13 @@ static const char *zcbor_error_str(int error)
 		ZCBOR_ERR_CASE(ZCBOR_ERR_WRONG_RANGE)
 		ZCBOR_ERR_CASE(ZCBOR_ERR_ITERATIONS)
 		ZCBOR_ERR_CASE(ZCBOR_ERR_ASSERTION)
+		ZCBOR_ERR_CASE(ZCBOR_ERR_PAYLOAD_OUTDATED)
+		ZCBOR_ERR_CASE(ZCBOR_ERR_ELEM_NOT_FOUND)
+		ZCBOR_ERR_CASE(ZCBOR_ERR_MAP_MISALIGNED)
+		ZCBOR_ERR_CASE(ZCBOR_ERR_ELEMS_NOT_PROCESSED)
+		ZCBOR_ERR_CASE(ZCBOR_ERR_NOT_AT_END)
+		ZCBOR_ERR_CASE(ZCBOR_ERR_MAP_FLAGS_NOT_AVAILABLE)
+		ZCBOR_ERR_CASE(ZCBOR_ERR_INVALID_VALUE_ENCODING)
 	}
 	#undef ZCBOR_ERR_CASE
 
diff --git a/tests/unit/test1_unit_tests/src/main.c b/tests/unit/test1_unit_tests/src/main.c
index 2e44dd95..c29777b0 100644
--- a/tests/unit/test1_unit_tests/src/main.c
+++ b/tests/unit/test1_unit_tests/src/main.c
@@ -997,10 +997,17 @@ ZTEST(zcbor_unit_tests, test_error_str)
 	test_str(ZCBOR_ERR_WRONG_RANGE);
 	test_str(ZCBOR_ERR_ITERATIONS);
 	test_str(ZCBOR_ERR_ASSERTION);
+	test_str(ZCBOR_ERR_PAYLOAD_OUTDATED);
+	test_str(ZCBOR_ERR_ELEM_NOT_FOUND);
+	test_str(ZCBOR_ERR_MAP_MISALIGNED);
+	test_str(ZCBOR_ERR_ELEMS_NOT_PROCESSED);
+	test_str(ZCBOR_ERR_NOT_AT_END);
+	test_str(ZCBOR_ERR_MAP_FLAGS_NOT_AVAILABLE);
+	test_str(ZCBOR_ERR_INVALID_VALUE_ENCODING);
 	test_str(ZCBOR_ERR_UNKNOWN);
 	zassert_mem_equal(zcbor_error_str(-1), "ZCBOR_ERR_UNKNOWN", sizeof("ZCBOR_ERR_UNKNOWN"), NULL);
 	zassert_mem_equal(zcbor_error_str(-10), "ZCBOR_ERR_UNKNOWN", sizeof("ZCBOR_ERR_UNKNOWN"), NULL);
-	zassert_mem_equal(zcbor_error_str(ZCBOR_ERR_ASSERTION + 1), "ZCBOR_ERR_UNKNOWN", sizeof("ZCBOR_ERR_UNKNOWN"), NULL);
+	zassert_mem_equal(zcbor_error_str(ZCBOR_ERR_INVALID_VALUE_ENCODING + 1), "ZCBOR_ERR_UNKNOWN", sizeof("ZCBOR_ERR_UNKNOWN"), NULL);
 	zassert_mem_equal(zcbor_error_str(100000), "ZCBOR_ERR_UNKNOWN", sizeof("ZCBOR_ERR_UNKNOWN"), NULL);
 }