diff --git a/config.mk b/config.mk
index 98f1021..1631637 100644
--- a/config.mk
+++ b/config.mk
@@ -1,5 +1,5 @@
 # feuille version
-VERSION = 1.6.20
+VERSION = 1.18.2
 
 # paths (customize them to fit your system)
 PREFIX = /usr/local
diff --git a/feuille.1 b/feuille.1
index f790afe..de70c4d 100644
--- a/feuille.1
+++ b/feuille.1
@@ -14,7 +14,7 @@
 . ftr VB CB
 . ftr VBI CBI
 .\}
-.TH "feuille" "1" "November 2022" "feuille 1.6.20" ""
+.TH "feuille" "1" "November 2022" "feuille 1.18.2" ""
 .hy
 .SH NAME
 .PP
diff --git a/feuille.c b/feuille.c
index 9c261db..6277b79 100644
--- a/feuille.c
+++ b/feuille.c
@@ -16,6 +16,7 @@
 #include "feuille.h"
 
 #include <errno.h>     /* for errno, ERANGE, EAGAIN, EFBIG, ENOENT              */
+#include <grp.h>       /* for initgroups                                        */
 #include <limits.h>    /* for USHRT_MAX, ULONG_MAX, CHAR_MAX, PATH_MAX, UCHA... */
 #include <locale.h>    /* for NULL, setlocale, LC_ALL                           */
 #include <pwd.h>       /* for getpwnam, passwd                                  */
@@ -315,10 +316,10 @@ int main(int argc, char *argv[])
         verbose(2, "creating folder `%s'...", settings.output);
 
     if (realpath(settings.output, path) == NULL)
-        die(errno, "Could not get real path of directory `%s': %s\n", settings.output, strerror(errno));
+        die(errno, "could not get real path of directory `%s': %s.\n", settings.output, strerror(errno));
 
     if (access(path, W_OK) != 0)
-        die(errno, "Cannot write to directory `%s': %s\n", path, strerror(errno));
+        die(errno, "cannot write to directory `%s': %s.\n", path, strerror(errno));
 
     chdir(path);
 
@@ -332,7 +333,7 @@ int main(int argc, char *argv[])
 
         struct passwd *user;
         if ((user = getpwnam(settings.user)) == NULL)
-            die(1, "User `%s' doesn't exist\n", settings.user);
+            die(1, "user `%s' doesn't exist.\n", settings.user);
 
         uid = user->pw_uid;
         gid = user->pw_gid;
@@ -349,7 +350,7 @@ int main(int argc, char *argv[])
 
     int server;
     if ((server = initialize_server()) == -1)
-        die(errno, "Failed to initialize server socket: %s\n", strerror(errno));
+        die(errno, "failed to initialize server socket: %f.\n", strerror(errno));
 
 
     /* make feuille run in the background */
@@ -372,9 +373,17 @@ int main(int argc, char *argv[])
 
         /* privileges drop */
         verbose(2, "dropping root privileges...");
-        setgid(gid);
-        setuid(uid);
 
+        /* switching groups */
+        if (setgid(gid) != 0 || getgid() != gid)
+            die(1, "could not switch to group for user `%s'.\n", settings.user);
+
+        if (initgroups(settings.user, gid) != 0)
+            die(1, "could not initialize other groups for user `%s'.\n", settings.user);
+
+        /* switching user */
+        if (setuid(uid) != 0 || getuid() != uid)
+            die(1, "could not switch to user `%s'.\n", settings.user);
     }
 
 #ifdef __OpenBSD__
@@ -383,7 +392,11 @@ int main(int argc, char *argv[])
 #endif
 
 
-#ifndef DEBUG
+#ifdef DEBUG
+    /* do not create a thread pool if in DEBUG mode */
+    verbose(1, "running in DEBUG mode, won't create a worker pool.");
+    accept_loop(server);
+#else
     /* create a thread pool for incoming connections */
     verbose(1, "initializing worker pool...");
 
@@ -394,14 +407,8 @@ int main(int argc, char *argv[])
             accept_loop(server);
 
         } else if (pid < 0)
-            die(errno, "Could not initialize worker n. %d: %s\n", i, strerror(errno));
+            die(errno, "could not initialize worker n. %d: %s.\n", i, strerror(errno));
     }
-#else
-    /* do not create a thread pool if in DEBUG mode */
-    verbose(1, "running in DEBUG mode, won't create a worker pool.");
-    accept_loop(server);
-#endif
-
 
     sleep(1);
 
@@ -425,6 +432,7 @@ int main(int argc, char *argv[])
         } else if (pid < 0)
             error("could not fork killed child again: ", strerror(errno));
     }
+#endif
 
     close(server);
     return 0;