diff --git a/win/curses/cursmisc.c b/win/curses/cursmisc.c
index 80ff91c65..e435f2211 100644
--- a/win/curses/cursmisc.c
+++ b/win/curses/cursmisc.c
@@ -377,6 +377,7 @@ curses_str_remainder(const char *str, int width, int line_num)
     int strsize = strlen(str) + 1;
 #if __STDC_VERSION__ >= 199901L
     char substr[strsize];
+    char curstr[strsize];
     char tmpstr[strsize];
 
     strcpy(substr, str);
@@ -385,6 +386,7 @@ curses_str_remainder(const char *str, int width, int line_num)
 #define BUFSZ 256
 #endif
     char substr[BUFSZ * 2];
+    char curstr[BUFSZ * 2];
     char tmpstr[BUFSZ * 2];
 
     if (strsize > (BUFSZ * 2) - 1) {
@@ -412,6 +414,10 @@ curses_str_remainder(const char *str, int width, int line_num)
         if (last_space == 0) {  /* No spaces found */
             last_space = count - 1;
         }
+        for (count = 0; count < last_space; count++) {
+            curstr[count] = substr[count];
+        }
+        curstr[count] = '\0';
         if (substr[count] == '\0') {
             break;
         }