diff --git a/src/common/config.h b/src/common/config.h
index 62195dcbc..a80d3313b 100644
--- a/src/common/config.h
+++ b/src/common/config.h
@@ -275,6 +275,9 @@ extern char * strdup(const char *s);
 # define INLINE_FUNCTION
 #endif
 
+#define iswxspace(c) (c==160 || iswspace(c))
+#define isxspace(c) (c==160 || isspace(c))
+
 #define TOLUA_CAST (char*)
 #endif
 
diff --git a/src/common/iniparser/iniparser.c b/src/common/iniparser/iniparser.c
index 775c48a38..28d8f73bf 100644
--- a/src/common/iniparser/iniparser.c
+++ b/src/common/iniparser/iniparser.c
@@ -86,7 +86,7 @@ static char * strskp(char * s)
 {
     char * skip = s;
     if (s==NULL) return NULL ;
-    while (isspace((int)*skip) && *skip) skip++;
+    while (isxspace((int)*skip) && *skip) skip++;
     return skip ;
 }
 
@@ -117,7 +117,7 @@ static char * strcrop(char * s)
     strcpy(l, s);
     last = l + strlen(l);
     while (last > l) {
-        if (!isspace((int)*(last-1)))
+        if (!isxspace((int)*(last-1)))
             break ;
         last -- ;
     }
diff --git a/src/common/kernel/battle.c b/src/common/kernel/battle.c
index dd6c8634b..f196968b6 100644
--- a/src/common/kernel/battle.c
+++ b/src/common/kernel/battle.c
@@ -3530,11 +3530,11 @@ simplename(region * r)
   const char * cp = rname(r, NULL);
   for (i=0;*cp && i!=16;++i, ++cp) {
     int c = *(unsigned char *)cp;
-    while (c && !isalpha(c) && !isspace(c)) {
+    while (c && !isalpha(c) && !isxspace(c)) {
       ++cp;
       c = *(unsigned char*)cp;
     }
-    if (isspace(c)) name[i] = '_';
+    if (isxspace(c)) name[i] = '_';
     else name[i] = *cp;
     if (c==0) break;
   }
diff --git a/src/common/kernel/eressea.c b/src/common/kernel/eressea.c
index 6a426bd16..5383e9714 100644
--- a/src/common/kernel/eressea.c
+++ b/src/common/kernel/eressea.c
@@ -1645,7 +1645,7 @@ estring_i(char *ibuf)
   char *p = ibuf;
 
   while (*p) {
-    if (isspace(*(unsigned*)p) == ' ') {
+    if (isxspace(*(unsigned*)p) == ' ') {
       *p = '~';
     }
     ++p;
diff --git a/src/common/kernel/order.c b/src/common/kernel/order.c
index 2afad4695..a3c72be7d 100644
--- a/src/common/kernel/order.c
+++ b/src/common/kernel/order.c
@@ -353,7 +353,7 @@ parse_order(const char * s, const struct locale * lang)
     sptr = s;
     kwd = findkeyword(parse_token(&sptr), lang);
     if (kwd!=NOKEYWORD) {
-      while (isspace(*(unsigned char*)sptr)) ++sptr;
+      while (isxspace(*(unsigned char*)sptr)) ++sptr;
       s = sptr;
     }
     return create_order_i(kwd, s, persistent, lang);
diff --git a/src/common/kernel/save.c b/src/common/kernel/save.c
index f983bd2c6..07062b142 100644
--- a/src/common/kernel/save.c
+++ b/src/common/kernel/save.c
@@ -137,7 +137,7 @@ freadstr(FILE * F, int encoding, char * start, size_t size)
   for (;;) {
     int c = fgetc(F);
 
-    if (isspace(c)) {
+    if (isxspace(c)) {
       if (str==start) {
         continue;
       }
diff --git a/src/common/kernel/xmlreader.c b/src/common/kernel/xmlreader.c
index 4fe5ee473..fae566daf 100644
--- a/src/common/kernel/xmlreader.c
+++ b/src/common/kernel/xmlreader.c
@@ -108,8 +108,8 @@ xml_cleanup_string(xmlChar * str)
 
   while (*read) {
     /* eat leading whitespace */
-    if (*read && isspace(*read)) {
-      while (*read && isspace(*read)) {
+    if (*read && isxspace(*read)) {
+      while (*read && isxspace(*read)) {
         ++read;
       }
       *write++ = ' ';
diff --git a/src/common/util/base36.c b/src/common/util/base36.c
index 6123de48a..3b3f7a2b8 100644
--- a/src/common/util/base36.c
+++ b/src/common/util/base36.c
@@ -35,7 +35,7 @@ atoi36(const char * str)
   assert(s);
   if(!(*s)) return 0;
 
-  while(isspace(*(unsigned char*)s)) ++s;
+  while(isxspace(*(unsigned char*)s)) ++s;
   if (*s == '-') {
     sign = -1;
     ++s;
diff --git a/src/common/util/filereader.c b/src/common/util/filereader.c
index a46e6e445..b4a24d9ba 100644
--- a/src/common/util/filereader.c
+++ b/src/common/util/filereader.c
@@ -33,7 +33,7 @@ eatwhite(const char * ptr, size_t * total_size)
     size_t size = 0;
     ret = unicode_utf8_to_ucs4(&ucs, ptr, &size);
     if (ret!=0) break;
-    if (!iswspace((wint_t)ucs)) break;
+    if (!iswxspace((wint_t)ucs)) break;
     *total_size += size;
     ptr += size;
   }
@@ -54,7 +54,7 @@ getbuf_latin1(FILE * F)
     const char * bp = fgets(lbuf, MAXLINE, F);
 
     if (bp==NULL) return NULL;
-    while (*bp && isspace(*(unsigned char*)bp)) ++bp; /* eatwhite */
+    while (*bp && isxspace(*(unsigned char*)bp)) ++bp; /* eatwhite */
 
     comment = (boolean)(comment && cont);
 
@@ -108,14 +108,14 @@ getbuf_latin1(FILE * F)
 
       if (iscntrl(c)) {
         if (!comment && cp<fbuf+MAXLINE) {
-          *cp++ = isspace(c)?' ':'?';
+          *cp++ = isxspace(c)?' ':'?';
         }
         ++bp;
         continue;
-      } else if (isspace(c)) {
+      } else if (isxspace(c)) {
         if (!quote) {
           ++bp;
-          while (*bp && isspace(*(unsigned char*)bp)) ++bp; /* eatwhite */
+          while (*bp && isxspace(*(unsigned char*)bp)) ++bp; /* eatwhite */
           if (!comment && *bp && *bp!=COMMENT_CHAR && cp<fbuf+MAXLINE) *(cp++) = ' ';
         }
         else if (!comment && cp+1<=fbuf+MAXLINE) {
@@ -126,7 +126,7 @@ getbuf_latin1(FILE * F)
         continue;
       } else if (c==CONTINUE_CHAR) {
         const char * end = ++bp;
-        while (*end && isspace(*(unsigned char*)end)) ++end; /* eatwhite */
+        while (*end && isxspace(*(unsigned char*)end)) ++end; /* eatwhite */
         if (*end == '\0') {
           bp = end;
           cont = true;
@@ -250,7 +250,7 @@ getbuf_utf8(FILE * F)
         break;
       }
 
-      if (iswspace((wint_t)ucs)) {
+      if (iswxspace((wint_t)ucs)) {
         if (!quote) {
           bp += size;
           ret = eatwhite(bp, &size);
diff --git a/src/common/util/parser.c b/src/common/util/parser.c
index 7c8391547..8ccd14143 100644
--- a/src/common/util/parser.c
+++ b/src/common/util/parser.c
@@ -31,7 +31,7 @@ eatwhitespace_c(const char ** str_p)
   for (;;) {
     unsigned char utf8_character = (unsigned char)*str;
     if (~utf8_character & 0x80) {
-      if (!iswspace(utf8_character)) break;
+      if (!iswxspace(utf8_character)) break;
       ++str;
     } else {
       ret = unicode_utf8_to_ucs4(&ucs, str, &len);
@@ -39,7 +39,7 @@ eatwhitespace_c(const char ** str_p)
         log_warning(("illegal character sequence in UTF8 string: %s\n", str));
         break;
       }
-      if (!iswspace((wint_t)ucs)) break;
+      if (!iswxspace((wint_t)ucs)) break;
       str+=len;
     }
   }
@@ -106,7 +106,7 @@ skip_token(void)
         log_warning(("illegal character sequence in UTF8 string: %s\n", state->current_token));
       }
     }
-    if (iswspace((wint_t)ucs) && quotechar==0) {
+    if (iswxspace((wint_t)ucs) && quotechar==0) {
       return;
     } else {
       switch(utf8_character) {
@@ -154,7 +154,7 @@ parse_token(const char ** str)
     if (escape) {
       copy = true;
       escape = false;
-    } else if (iswspace((wint_t)ucs)) {
+    } else if (iswxspace((wint_t)ucs)) {
       if (quotechar==0) break;
       copy = true;
     } else if (utf8_character=='"' || utf8_character=='\'') {