diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/datetime/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/datetime/default.nix
index 74408a4ed6d4..74542b5c4c45 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/datetime/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/datetime/default.nix
@@ -18,8 +18,23 @@
 , elementary-calendar
 , elementary-icon-theme
 , wrapGAppsHook
+, fetchurl
 }:
 
+let
+
+  # Terrible workaround https://github.com/elementary/wingpanel-indicator-datetime/issues/122
+  # Evolution Data Server functionality will be broken (events from calendar in indicator)
+  # but at least we don't fail to build.
+  old-evolution-data-server = evolution-data-server.overrideAttrs(old: {
+    src = fetchurl {
+      url = "mirror://gnome/sources/evolution-data-server/${stdenv.lib.versions.majorMinor "3.32.4"}/${old.pname}-3.32.4.tar.xz";
+      sha256 = "0zsc9xwy6ixk3x0dx69ax5isrdw8qxjdxg2i5fr95s40nss7rxl3";
+    };
+  });
+
+in
+
 stdenv.mkDerivation rec {
   pname = "wingpanel-indicator-datetime";
   version = "2.1.3";
@@ -49,7 +64,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     elementary-icon-theme
-    evolution-data-server
+    old-evolution-data-server
     granite
     gtk3
     libgee