diff --git a/common/os/os.cxx b/common/os/os.cxx
index 5492c55e5e990ff2c291240f415355e83996f895..2dfabc46e0ad3b5047585d7ae8a5dbe1af68b6d4 100644
--- a/common/os/os.cxx
+++ b/common/os/os.cxx
@@ -66,7 +66,7 @@ static const char* gethomedir(bool userDir)
   if (userDir)
     return homedir;
 
-  snprintf(dir, sizeof(dir), "%s/.vnc/", homedir);
+  snprintf(dir, sizeof(dir), "%s/.vnc", homedir);
 
   return dir;
 #else
@@ -81,10 +81,10 @@ static const char* gethomedir(bool userDir)
   if (userDir)
     return dir;
 
-  if (strlen(dir) + strlen("\\vnc\\") >= sizeof(dir))
+  if (strlen(dir) + strlen("\\vnc") >= sizeof(dir))
     return NULL;
 
-  strcat(dir, "\\vnc\\");
+  strcat(dir, "\\vnc");
 
   return dir;
 #endif
diff --git a/common/rfb/CSecurityTLS.cxx b/common/rfb/CSecurityTLS.cxx
index a8ef779d4653065e0e45a101ea725794a215537e..c702280dcb7d115f582ad82397c5b545b15b9433 100644
--- a/common/rfb/CSecurityTLS.cxx
+++ b/common/rfb/CSecurityTLS.cxx
@@ -82,7 +82,7 @@ static const char* homedirfn(const char* fn)
   if (homedir == NULL)
     return "";
 
-  snprintf(full_path, sizeof(full_path), "%s%s", homedir, fn);
+  snprintf(full_path, sizeof(full_path), "%s/%s", homedir, fn);
 
   return full_path;
 }
@@ -395,8 +395,8 @@ void CSecurityTLS::checkSession()
                                "path for known hosts storage");
   }
 
-  CharArray dbPath(strlen(homeDir) + 16 + 1);
-  sprintf(dbPath.buf, "%sx509_known_hosts", homeDir);
+  CharArray dbPath(strlen(homeDir) + strlen("/x509_known_hosts") + 1);
+  sprintf(dbPath.buf, "%s/x509_known_hosts", homeDir);
 
   err = gnutls_verify_stored_pubkey(dbPath.buf, NULL,
                                     client->getServerName(), NULL,
diff --git a/unix/vncpasswd/vncpasswd.cxx b/unix/vncpasswd/vncpasswd.cxx
index 66c82144a8a3be405b54dd6723e917eb9a15774b..4d91fda7cfc848287e9dff0355ea32aa0a2482fe 100644
--- a/unix/vncpasswd/vncpasswd.cxx
+++ b/unix/vncpasswd/vncpasswd.cxx
@@ -152,8 +152,8 @@ int main(int argc, char** argv)
       exit(1);
     }
     mkdir(homeDir, 0777);
-    fname = new char[strlen(homeDir) + 7];
-    sprintf(fname, "%spasswd", homeDir);
+    fname = new char[strlen(homeDir) + strlen("/passwd") + 1];
+    sprintf(fname, "%s/passwd", homeDir);
   }
 
   while (true) {
diff --git a/vncviewer/ServerDialog.cxx b/vncviewer/ServerDialog.cxx
index a6b0e80f89ce42554b165618ac3fc935bebeb3d9..db39cd59e38a5ba3b101debdf7f1e46389f708a7 100644
--- a/vncviewer/ServerDialog.cxx
+++ b/vncviewer/ServerDialog.cxx
@@ -320,7 +320,7 @@ void ServerDialog::loadServerHistory()
     throw Exception(_("Could not obtain the home directory path"));
 
   char filepath[PATH_MAX];
-  snprintf(filepath, sizeof(filepath), "%s%s", homeDir, SERVER_HISTORY);
+  snprintf(filepath, sizeof(filepath), "%s/%s", homeDir, SERVER_HISTORY);
 
   /* Read server history from file */
   FILE* f = fopen(filepath, "r");
@@ -386,7 +386,7 @@ void ServerDialog::saveServerHistory()
     throw Exception(_("Could not obtain the home directory path"));
 
   char filepath[PATH_MAX];
-  snprintf(filepath, sizeof(filepath), "%s%s", homeDir, SERVER_HISTORY);
+  snprintf(filepath, sizeof(filepath), "%s/%s", homeDir, SERVER_HISTORY);
 
   /* Write server history to file */
   FILE* f = fopen(filepath, "w+");
diff --git a/vncviewer/parameters.cxx b/vncviewer/parameters.cxx
index 03f2b14507053dccb6e8d9e61ade8889e8950ba5..ff5589d24b1ed9911ef9311dfcb789468dba5752 100644
--- a/vncviewer/parameters.cxx
+++ b/vncviewer/parameters.cxx
@@ -633,7 +633,7 @@ void saveViewerParameters(const char *filename, const char *servername) {
     if (homeDir == NULL)
       throw Exception(_("Could not obtain the home directory path"));
 
-    snprintf(filepath, sizeof(filepath), "%sdefault.tigervnc", homeDir);
+    snprintf(filepath, sizeof(filepath), "%s/default.tigervnc", homeDir);
   } else {
     snprintf(filepath, sizeof(filepath), "%s", filename);
   }
@@ -737,7 +737,7 @@ char* loadViewerParameters(const char *filename) {
     if (homeDir == NULL)
       throw Exception(_("Could not obtain the home directory path"));
 
-    snprintf(filepath, sizeof(filepath), "%sdefault.tigervnc", homeDir);
+    snprintf(filepath, sizeof(filepath), "%s/default.tigervnc", homeDir);
   } else {
     snprintf(filepath, sizeof(filepath), "%s", filename);
   }