diff --git a/nixos/modules/services/monitoring/graphite.nix b/nixos/modules/services/monitoring/graphite.nix
index 976fd253a7cd..e59be1ea6c31 100644
--- a/nixos/modules/services/monitoring/graphite.nix
+++ b/nixos/modules/services/monitoring/graphite.nix
@@ -490,7 +490,7 @@ in {
             "${cfg.api.package}/lib/python2.7/site-packages:" +
             concatMapStringsSep ":" (f: f + "/lib/python2.7/site-packages") cfg.api.finders;
           GRAPHITE_API_CONFIG = graphiteApiConfig;
-          LD_LIBRARY_PATH = "${pkgs.cairo}/lib";
+          LD_LIBRARY_PATH = "${pkgs.cairo.out}/lib";
         };
         serviceConfig = {
           ExecStart = ''
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 48db91f15575..e0b4223f6f43 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2565,7 +2565,7 @@ in modules // {
 
     patchPhase = ''
       # Hardcode cairo library path
-      sed -e 's,ffi\.dlopen(,&"${pkgs.cairo}/lib/" + ,' -i cairocffi/__init__.py
+      sed -e 's,ffi\.dlopen(,&"${pkgs.cairo.out}/lib/" + ,' -i cairocffi/__init__.py
     '';
 
     meta = {