diff --git a/configure b/configure
index 930b90d45..220805263 100755
--- a/configure
+++ b/configure
@@ -1,12 +1,6 @@
 #!/bin/sh
 git submodule update --init
-MACHINE=`uname -m`
-[ -z "$CC" ] && [ ! -z `which gcc` ] && CC="gcc"
-[ -z "$CC" ] && [ ! -z `which tcc` ] && CC="tcc"
-[ -z "$CC" ] && [ ! -z `which cc` ] && CC="cc"
-[ -z "$JOBS" ] && JOBS=$(nproc)
 
-BIN_DIR="build-$MACHINE-$CC-Debug"
 DISTCC=`which distcc`
 if [ ! -z "$DISTCC" ] ; then
 JOBS=`distcc -j`
@@ -19,8 +13,6 @@ fi
 fi
 echo "Building with $CC and $JOBS jobs"
 
-mkdir -p $BIN_DIR
-cd $BIN_DIR
-CC="$CC" ../s/cmake-init
+CC="$CC" s/cmake-init
 make -j$JOBS
 make test
diff --git a/src/bind_config.c b/src/bind_config.c
index 19e99ec77..e0930481f 100644
--- a/src/bind_config.c
+++ b/src/bind_config.c
@@ -36,8 +36,9 @@ int config_parse(const char *json)
         int line;
         char buffer[10];
         const char *xp = json, *lp, *ep = cJSON_GetErrorPtr();
-        for (line=0,lp=xp;xp && xp<ep;++line,lp=xp+1) {
+        for (line=1,lp=xp;xp && xp<ep;++line,lp=xp+1) {
             xp = strchr(lp, '\n');
+            if (xp>=ep) break;
         }
         xp = (ep > json + 10) ? ep - 10 : json; 
         strncpy(buffer, xp, sizeof(buffer));
diff --git a/src/kernel/config.c b/src/kernel/config.c
index 5aaf90801..4d0fcacfa 100644
--- a/src/kernel/config.c
+++ b/src/kernel/config.c
@@ -1161,21 +1161,24 @@ int findoption(const char *s, const struct locale *lang)
 
 param_t findparam(const char *s, const struct locale * lang)
 {
-  param_t result = NOPARAM;
-  char buffer[64];
-  char * str = transliterate(buffer, sizeof(buffer)-sizeof(int), s);
-
-  if (str && *str) {
-    int i;
-    const void * match;
-    void **tokens = get_translations(lang, UT_PARAMS);
-    critbit_tree *cb = (critbit_tree *)*tokens;
-    if (cb_find_prefix(cb, str, strlen(str), &match, 1, 0)) {
-      cb_get_kv(match, &i, sizeof(int));
-      result = (param_t)i;
+    param_t result = NOPARAM;
+    char buffer[64];
+    char * str = transliterate(buffer, sizeof(buffer)-sizeof(int), s);
+    
+    if (str && *str) {
+        int i;
+        const void * match;
+        void **tokens = get_translations(lang, UT_PARAMS);
+        critbit_tree *cb = (critbit_tree *)*tokens;
+        if (!cb) {
+            log_error_n("no parameters defined in locale %s", locale_name(lang));
+        }
+        else if (cb_find_prefix(cb, str, strlen(str), &match, 1, 0)) {
+            cb_get_kv(match, &i, sizeof(int));
+            result = (param_t)i;
+        }
     }
-  }
-  return result;
+    return result;
 }
 
 param_t findparam_ex(const char *s, const struct locale * lang)
diff --git a/tests/init.lua b/tests/init.lua
index 032bf94ec..e54c2229f 100644
--- a/tests/init.lua
+++ b/tests/init.lua
@@ -7,3 +7,4 @@ require "tests.ships"
 require "tests.study"
 require "tests.movement"
 require "tests.castles"
+require "tests.spells"
diff --git a/tests/spells.lua b/tests/spells.lua
new file mode 100644
index 000000000..0c6333569
--- /dev/null
+++ b/tests/spells.lua
@@ -0,0 +1,47 @@
+require "lunit"
+
+module("tests.spells", package.seeall, lunit.testcase)
+
+function setup()
+    eressea.game.reset()
+    eressea.settings.set("nmr.removenewbie", "0")
+    eressea.settings.set("nmr.timeout", "0")
+    conf = [[{
+        "races": {
+            "human" : {}
+        },
+        "terrains" : {
+            "plain": { "flags" : [ "land", "walk", "sail" ] }
+        },
+        "spells" : {
+            "resist_magic" : {
+                "index" : 97,
+                "parameters" : "u+"
+            }
+        },
+        "keywords" : {
+            "de" : {
+                "cast" : "ZAUBERE"
+            }
+        },
+        "strings" : {
+            "de" : {
+                "harbour" : "Hafen"
+            }
+        }
+    }]]
+
+    eressea.config.reset()
+    assert(eressea.config.parse(conf)==0)
+end
+
+function test_antimagic_visibility()
+    local r = region.create(0, 0, "plain")
+    local f1 = faction.create("test@example.com", "human", "de")
+    local mage = unit.create(f1, r, 1)
+    local target = unit.create(f1, r, 1)
+    mage:set_skill("magic", 10)
+    mage:add_spell("resist_magic")
+    mage:add_order("ZAUBERE Antimagie " .. target.id)
+    process_orders()
+end