diff --git a/common.h b/common.h
index a528ce5..ed35911 100644
--- a/common.h
+++ b/common.h
@@ -5,6 +5,24 @@
 
 #include <functional>
 
+const std::string ocpl_url = "https://opencaching.pl/okapi/";
+const std::string ocde_url = "https://www.opencaching.de/okapi/";
+const std::string ocus_url = "http://www.opencaching.us/okapi/";
+const std::string ocnl_url = "http://www.opencaching.nl/okapi/";
+const std::string ocro_url = "http://www.opencaching.ro/okapi/";
+const std::string ocuk_url = "https://opencache.uk/okapi/";
+
+const std::string flag_pl = "https://wiki.opencaching.eu/images/b/b7/Oc-pl.png";
+const std::string flag_de = "https://wiki.opencaching.eu/images/c/c1/Oc-de.png";
+const std::string flag_us = "https://wiki.opencaching.eu/images/f/fb/Oc-us.png";
+const std::string flag_nl = "https://wiki.opencaching.eu/images/4/4b/Oc-nl.png";
+const std::string flag_ro = "https://wiki.opencaching.eu/images/4/4f/Oc-ro.png";
+const std::string flag_uk = "https://wiki.opencaching.eu/images/5/58/Oc-org-uk.png";
+
+const std::string Database_pl = "ocpl.sqlite";
+const std::string Database_de = "ocde.sqlite";
+const std::string Database_us = "ocus.sqlite";
+
 void htmlencode(std::string& data);
 
 void show_histogram(const Caches& cc, std::string Cache::*ptr, const std::string& caption, bool html = 0, bool sort_by_val = 1);
diff --git a/geodb.cpp b/geodb.cpp
index 8d7b1ba..10efd17 100644
--- a/geodb.cpp
+++ b/geodb.cpp
@@ -1,6 +1,7 @@
 #include "debug.h"
 #include "ocdb.h"
 #include "okapi.h"
+#include "common.h"
 
 #include "config_user_key.h"
 
@@ -12,16 +13,6 @@
 
 using json = nlohmann::json;
 
-const std::string Database_pl = "ocpl.sqlite";
-const std::string Database_de = "ocde.sqlite";
-const std::string Database_us = "ocus.sqlite";
-const std::string ocpl_url = "https://opencaching.pl/okapi/";
-const std::string ocde_url = "https://www.opencaching.de/okapi/";
-const std::string ocus_url = "http://www.opencaching.us/okapi/";
-// const std::string ocnl_url = "http://www.opencaching.nl/okapi/";
-// const std::string ocro_url = "http://www.opencaching.ro/okapi/";
-// const std::string ocuk_url = "https://opencache.uk/okapi/";
-
 int main(int argc, char** argv) {
 	std::string Dump_path;
 	std::string Database;
diff --git a/geofriends.cpp b/geofriends.cpp
index 6a8b80b..dcf65fa 100644
--- a/geofriends.cpp
+++ b/geofriends.cpp
@@ -13,7 +13,6 @@ void show_usage() {
 }
 
 int main(int argc, char** argv) {
-	std::string ocpl_url = "https://opencaching.pl/okapi/";
 
 #include "config_user.h"
 
diff --git a/geolist.cpp b/geolist.cpp
index dab10b4..968f1d4 100644
--- a/geolist.cpp
+++ b/geolist.cpp
@@ -13,12 +13,6 @@ void show_usage() {
 }
 
 int main(int argc, char** argv) {
-	std::string ocpl_url = "https://opencaching.pl/okapi/";
-	std::string ocde_url = "https://www.opencaching.de/okapi/";
-	std::string ocus_url = "http://www.opencaching.us/okapi/";
-	std::string ocnl_url = "http://www.opencaching.nl/okapi/";
-	std::string ocro_url = "http://www.opencaching.ro/okapi/";
-	std::string ocuk_url = "https://opencache.uk/okapi/";
 
 #include "config_user.h"
 
diff --git a/geostat.cpp b/geostat.cpp
index 9a5f2ab..8a290a2 100644
--- a/geostat.cpp
+++ b/geostat.cpp
@@ -73,17 +73,6 @@ int main(int argc, char** argv) {
 	std::string ocro_user_profile;
 	std::string ocuk_user_profile;
 
-	std::string ocpl_url = "https://opencaching.pl/okapi/";
-	std::string ocde_url = "https://www.opencaching.de/okapi/";
-	std::string ocus_url = "http://www.opencaching.us/okapi/";
-	std::string ocnl_url = "http://www.opencaching.nl/okapi/";
-	std::string ocro_url = "http://www.opencaching.ro/okapi/";
-	std::string ocuk_url = "https://opencache.uk/okapi/";
-
-	const std::string Database_pl = "ocpl.sqlite";
-	const std::string Database_de = "ocde.sqlite";
-	const std::string Database_us = "ocus.sqlite";
-
 // 	std::string gpx_file;
 
 #include "config_user.h"
@@ -400,17 +389,17 @@ int main(int argc, char** argv) {
 	std::cout << "<header>\n";
 	std::cout << "<h1><a href=\"/geo\">Geocaching stats</a> for user profiles:</h1>\n";
 	if (!ocpl_user.empty())
-		std::cout << "<img alt=\"OCpl\" src=\"https://wiki.opencaching.eu/images/b/b7/Oc-pl.png\"> <a href=\"" << ocpl_user_profile << "\">" << ocpl_user << "</a><br>\n";
+		std::cout << "<img alt=\"OCpl\" src=\"" << flag_pl << "\"> <a href=\"" << ocpl_user_profile << "\">" << ocpl_user << "</a><br>\n";
 	if (!ocde_user.empty())
-		std::cout << "<img alt=\"OCde\" src=\"https://wiki.opencaching.eu/images/c/c1/Oc-de.png\"> <a href=\"" << ocde_user_profile << "\">" << ocde_user << "</a><br>\n";
+		std::cout << "<img alt=\"OCde\" src=\"" << flag_de << "\"> <a href=\"" << ocde_user_profile << "\">" << ocde_user << "</a><br>\n";
 	if (!ocus_user.empty())
-		std::cout << "<img alt=\"OCna\" src=\"https://wiki.opencaching.eu/images/f/fb/Oc-us.png\"> <a href=\"" << ocus_user_profile << "\">" << ocus_user << "</a><br>\n";
+		std::cout << "<img alt=\"OCna\" src=\"" << flag_us << "\"> <a href=\"" << ocus_user_profile << "\">" << ocus_user << "</a><br>\n";
 	if (!ocnl_user.empty())
-		std::cout << "<img alt=\"OCnl\" src=\"https://wiki.opencaching.eu/images/4/4b/Oc-nl.png\"> <a href=\"" << ocnl_user_profile << "\">" << ocnl_user << "</a><br>\n";
+		std::cout << "<img alt=\"OCnl\" src=\"" << flag_nl << "\"> <a href=\"" << ocnl_user_profile << "\">" << ocnl_user << "</a><br>\n";
 	if (!ocro_user.empty())
-		std::cout << "<img alt=\"OCro\" src=\"https://wiki.opencaching.eu/images/4/4f/Oc-ro.png\"> <a href=\"" << ocro_user_profile << "\">" << ocro_user << "</a><br>\n";
+		std::cout << "<img alt=\"OCro\" src=\"" << flag_ro << "\"> <a href=\"" << ocro_user_profile << "\">" << ocro_user << "</a><br>\n";
 	if (!ocuk_user.empty())
-		std::cout << "<img alt=\"OCuk\" src=\"https://wiki.opencaching.eu/images/5/58/Oc-org-uk.png\"> <a href=\"" << ocuk_user_profile << "\">" << ocuk_user << "</a><br>\n";
+		std::cout << "<img alt=\"OCuk\" src=\"" << flag_uk << "\"> <a href=\"" << ocuk_user_profile << "\">" << ocuk_user << "</a><br>\n";
 
 	if (time_filter) {
 		std::cout << "for time range " << std::put_time(std::localtime(&start_time), "%x") << "&mdash;" << std::put_time(std::localtime(&end_time), "%x");
diff --git a/geostat_cli.cpp b/geostat_cli.cpp
index 5630f17..8bef4c9 100644
--- a/geostat_cli.cpp
+++ b/geostat_cli.cpp
@@ -70,17 +70,6 @@ int main(int argc, char** argv) {
 	std::string ocro_user;
 	std::string ocuk_user;
 
-	std::string ocpl_url = "https://opencaching.pl/okapi/";
-	std::string ocde_url = "https://www.opencaching.de/okapi/";
-	std::string ocus_url = "http://www.opencaching.us/okapi/";
-	std::string ocnl_url = "http://www.opencaching.nl/okapi/";
-	std::string ocro_url = "http://www.opencaching.ro/okapi/";
-	std::string ocuk_url = "https://opencache.uk/okapi/";
-
-	const std::string Database_pl = "ocpl.sqlite";
-	const std::string Database_de = "ocde.sqlite";
-	const std::string Database_us = "ocus.sqlite";
-
 	std::string gpx_file;
 
 #include "config_user.h"