diff --git a/cz.vesp.roster.json b/cz.vesp.roster.json
index d3ce5f0..92b9997 100644
--- a/cz.vesp.roster.json
+++ b/cz.vesp.roster.json
@@ -32,7 +32,7 @@
             "name" : "httpie",
             "buildsystem" : "simple",
             "build-commands" : [
-                "pip3 install --prefix=${FLATPAK_DEST} httpie"
+                "pip3 install --prefix=${FLATPAK_DEST} --ignore-installed httpie"
             ]
         },
         {