diff --git a/src/fe-gtk/menu.c b/src/fe-gtk/menu.c
index 91cda164..7bf9cb93 100644
--- a/src/fe-gtk/menu.c
+++ b/src/fe-gtk/menu.c
@@ -1920,7 +1920,10 @@ menu_about (GtkWidget *wid, gpointer sess)
 	about_logo = gdk_pixbuf_new_from_resource_at_scale ("/icons/zoitechat.svg", 48, 48, TRUE, NULL);
 	if (!about_logo && pix_zoitechat)
 		about_logo = gdk_pixbuf_scale_simple (pix_zoitechat, 48, 48, GDK_INTERP_BILINEAR);
-	gtk_about_dialog_set_logo (dialog, about_logo ? about_logo : pix_zoitechat);
+	if (about_logo || pix_zoitechat)
+		gtk_about_dialog_set_logo (dialog, about_logo ? about_logo : pix_zoitechat);
+	else
+		gtk_about_dialog_set_logo_icon_name (dialog, "zoitechat");
 	if (about_logo)
 		g_object_unref (about_logo);
 	gtk_about_dialog_set_copyright (dialog, "\302\251 1998-2010 Peter \305\275elezn\303\275\n\302\251 2009-2014 Berke Viktor\n\302\251 2015-2025 Patrick Griffis\n\302\251 2026 deepend");
diff --git a/win32/installer/installer.vcxproj b/win32/installer/installer.vcxproj
index 2afc07df..c85be4d0 100644
--- a/win32/installer/installer.vcxproj
+++ b/win32/installer/installer.vcxproj
@@ -40,6 +40,7 @@
 SET SOLUTIONDIR=$(SolutionDir)..\
 if not exist "$(ZoiteChatBin)" mkdir "$(ZoiteChatBin)"
 powershell -File "$(SolutionDir)..\win32\version-template.ps1" "$(SolutionDir)..\win32\installer\zoitechat.iss.tt" "$(ZoiteChatBin)zoitechat.iss"
+"$(Python3Path)\python.exe" "$(SolutionDir)..\data\icons\generate_icons.py" "$(DataDir)icons\zoitechat.svg" "$(DataDir)icons\zoitechat.png" --size 256 --ico "$(DataDir)icons\zoitechat.ico"
 $(IsccPath) /dPROJECTDIR="$(ProjectDir)" /dAPPARCH="$(Platform)" "$(ZoiteChatBin)zoitechat.iss"
       ]]>
       </Command>