--- a/ict-main.cpp
+++ b/ict-main.cpp
@@ -454,10 +454,11 @@
     return 1;
   }
   
+  struct passwd* ppwd;
   struct passwd pwd;
   
   if (!chuser) {
-    struct passwd* ppwd = getpwuid(uid);
+    ppwd = getpwuid(uid);
     if (ppwd == NULL) {
       fprintf(stderr, "cannot determine current user\n");
       return 1;
@@ -465,15 +466,15 @@
     memcpy(&pwd, ppwd, sizeof(pwd));
     user = pwd.pw_name;
   }
-  else if (getpwnam(user.c_str()) == NULL) {
+  else if ((ppwd = getpwnam(user.c_str())) == NULL) {
     fprintf(stderr, "user '%s' not found\n", user.c_str());
     return 1;
   }
-  else if ( setenv("LOGNAME",   pwd.pw_name,   1) != 0
-        ||  setenv("USER",      pwd.pw_name,   1) != 0
-        ||  setenv("USERNAME",  pwd.pw_name,   1) != 0
-        ||  setenv("HOME",      pwd.pw_dir,    1) != 0
-        ||  setenv("SHELL",     pwd.pw_shell,  1) != 0)
+  else if ( setenv("LOGNAME",   ppwd->pw_name,   1) != 0
+        ||  setenv("USER",      ppwd->pw_name,   1) != 0
+        ||  setenv("USERNAME",  ppwd->pw_name,   1) != 0
+        ||  setenv("HOME",      ppwd->pw_dir,    1) != 0
+        ||  setenv("SHELL",     ppwd->pw_shell,  1) != 0)
   {
     perror("cannot set environment variables");
     return 1;