diff --git a/src/kernel/faction.c b/src/kernel/faction.c
index cf8d73143..9270fcf06 100755
--- a/src/kernel/faction.c
+++ b/src/kernel/faction.c
@@ -74,9 +74,6 @@ faction *factions;
 static void free_faction(faction * f)
 {
     funhash(f);
-    if (f->alliance && f->alliance->_leader == f) {
-        setalliance(f, 0);
-    }
     if (f->msgs) {
         free_messagelist(f->msgs->begin);
         free(f->msgs);
@@ -454,7 +451,7 @@ void destroyfaction(faction ** fp)
     }
 #endif
 
-    if (f->alliance && f->alliance->_leader == f) {
+    if (f->alliance) {
         setalliance(f, 0);
     }
 
diff --git a/src/kernel/faction.test.c b/src/kernel/faction.test.c
index 94a1910f8..ecd0df2ab 100644
--- a/src/kernel/faction.test.c
+++ b/src/kernel/faction.test.c
@@ -13,6 +13,7 @@
 #include "monster.h"
 #include <CuTest.h>
 #include <tests.h>
+#include <quicklist.h>
 
 #include <assert.h>
 #include <stdio.h>
@@ -46,8 +47,10 @@ static void test_remove_empty_factions_alliance(CuTest *tc) {
     al = makealliance(0, "Hodor");
     setalliance(f, al);
     CuAssertPtrEquals(tc, f, alliance_get_leader(al));
+    CuAssertIntEquals(tc, 1, ql_length(al->members));
     remove_empty_factions();
     CuAssertPtrEquals(tc, 0, al->_leader);
+    CuAssertIntEquals(tc, 0, ql_length(al->members));
     test_cleanup();
 }
 
@@ -61,6 +64,9 @@ static void test_remove_empty_factions(CuTest *tc) {
     f = test_create_faction(0);
     fno = f->no;
     remove_empty_factions();
+    CuAssertIntEquals(tc, false, f->_alive);
+    CuAssertPtrEquals(tc, fm, factions);
+    CuAssertPtrEquals(tc, NULL, fm->next);
     CuAssertPtrEquals(tc, 0, findfaction(fno));
     CuAssertPtrEquals(tc, fm, get_monsters());
     test_cleanup();
diff --git a/src/test_eressea.c b/src/test_eressea.c
index 658f20b9b..50ff37d19 100644
--- a/src/test_eressea.c
+++ b/src/test_eressea.c
@@ -81,6 +81,7 @@ int RunAllTests(int argc, char *argv[])
     ADD_SUITE(umlaut);
     ADD_SUITE(unicode);
     ADD_SUITE(strings);
+    ADD_SUITE(log);
     ADD_SUITE(rng);
     /* items */
     ADD_SUITE(xerewards);
diff --git a/src/util/CMakeLists.txt b/src/util/CMakeLists.txt
index 6fc0b5dea..3d5032462 100644
--- a/src/util/CMakeLists.txt
+++ b/src/util/CMakeLists.txt
@@ -9,6 +9,7 @@ attrib.test.c
 strings.test.c
 bsdstring.test.c
 functions.test.c
+log.test.c
 umlaut.test.c
 unicode.test.c
 rng.test.c
diff --git a/src/util/log.c b/src/util/log.c
index 4afee68b4..6d8d5a7f4 100644
--- a/src/util/log.c
+++ b/src/util/log.c
@@ -50,6 +50,19 @@ log_t *log_create(int flags, void *data, log_fun call) {
     return lgr;
 }
 
+void log_destroy(log_t *handle) {
+    log_t ** lp = &loggers;
+    while (*lp) {
+        log_t *lg = *lp;
+        if (lg==handle) {
+            *lp = lg->next;
+            free(lg);
+            break;
+        }
+        lp = &lg->next;
+    }
+}
+
 #define MAXLENGTH 4096          /* because I am lazy, CP437 output is limited to this many chars */
 #define LOG_MAXBACKUPS 5
 
@@ -137,7 +150,6 @@ static void _log_write(FILE * stream, int codepage, const char *format, va_list
     if (codepage) {
         char buffer[MAXLENGTH];
         char converted[MAXLENGTH];
-
         vsnprintf(buffer, sizeof(buffer), format, args);
         if (cp_convert(buffer, converted, MAXLENGTH, codepage) == 0) {
             fputs(converted, stream);
@@ -176,12 +188,16 @@ static void log_write(int flags, const char *module, const char *format, va_list
         int level = flags & LOG_LEVELS;
         if (lg->flags & level) {
             int dupe = 0;
+            va_list copy;
+
+            va_copy(copy, args);
             if (lg->flags & LOG_BRIEF) {
                 dupe = check_dupe(format, level);
             }
             if (dupe == 0) {
-                lg->log(lg->data, level, NULL, format, args);
+                lg->log(lg->data, level, NULL, format, copy);
             }
+            va_end(copy);
         }
     }
 }
diff --git a/src/util/log.h b/src/util/log.h
index 56adfa1c3..bd38cfa7d 100644
--- a/src/util/log.h
+++ b/src/util/log.h
@@ -23,6 +23,7 @@ extern "C" {
 
     struct log_t * log_open(const char *filename, int flags);
     struct log_t * log_create(int flags, void *data, log_fun call);
+    void log_destroy(struct log_t *handle);
     struct log_t * log_to_file(int flags, FILE *out);
     int log_level(struct log_t *log, int flags);
     void log_close(void);
diff --git a/src/util/log.test.c b/src/util/log.test.c
new file mode 100644
index 000000000..7dbe65f74
--- /dev/null
+++ b/src/util/log.test.c
@@ -0,0 +1,33 @@
+#include <CuTest.h>
+
+#include "log.h"
+
+#include <stdarg.h>
+#include <string.h>
+
+void log_string(void *data, int level, const char *module, const char *format, va_list args) {
+    char *str = (char *)data;
+    const char *arg = va_arg(args, const char *);
+    strncpy(str, arg, 32);
+}
+
+static void test_logging(CuTest * tc)
+{
+    char str1[32];
+    char str2[32];
+    struct log_t * id1 = log_create(LOG_CPWARNING, str1, log_string);
+    struct log_t * id2 = log_create(LOG_CPWARNING, str2, log_string);
+    CuAssertTrue(tc, id1!=id2);
+    log_warning("Hello %s", "World");
+    CuAssertStrEquals(tc, str1, "World");
+    CuAssertStrEquals(tc, str2, "World");
+    log_destroy(id1);
+    log_destroy(id2);
+}
+
+CuSuite *get_log_suite(void)
+{
+    CuSuite *suite = CuSuiteNew();
+    SUITE_ADD_TEST(suite, test_logging);
+    return suite;
+}