diff --git a/elkscmd/test/libc/error.c b/elkscmd/test/libc/error.c
index dec2b6f21..37f0aae4e 100644
--- a/elkscmd/test/libc/error.c
+++ b/elkscmd/test/libc/error.c
@@ -3,24 +3,23 @@
 #include <stdio.h>
 #include <string.h>
 
-#define N_ERR_TESTS 5
+#define N_ERR_TESTS 4
 struct err_tests {
-	int errno;
-	const char *msg;
+    int errno;
+    const char *msg;
 } err_map[N_ERR_TESTS] = {
-	{  -1, "Unknown error -1" },
-	{   0, "Unknown error 0" },
-	{   1, "Operation not permitted " },
-	{ 129, "Server error " },
-	{ 999, "Unknown error 999" },
+    {   0, "Error 0" },
+    {   1, "Operation not permitted " },
+    { 129, "Server error " },
+    { 999, "Error 999" },
 };
 
 /* TODO:BUG: /etc/perror is generated with trailing spaces */
 TEST_CASE(error_strerror)
 {
-	for (int i = 0; i < N_ERR_TESTS; ++i) {
-		const char *msg = strerror(err_map[i].errno);
-		EXPECT_STREQ(msg, err_map[i].msg);
-	}
+    for (int i = 0; i < N_ERR_TESTS; ++i) {
+        const char *msg = strerror(err_map[i].errno);
+        EXPECT_STREQ(msg, err_map[i].msg);
+    }
 }