diff --git a/bash/usr-local-bin/firefox b/bash/usr-local-bin/firefox
index 514cfd8..04fef6a 100755
--- a/bash/usr-local-bin/firefox
+++ b/bash/usr-local-bin/firefox
@@ -8,7 +8,7 @@
 
 set -x
 export MOZ_ENABLE_WAYLAND=1
-FlagsForFirefox="--ProfileManager $@"
+FlagsForFirefox="--allow-downgrade --ProfileManager $@"
 
 # Firefox (stable, beta) and signatures: https://releases.mozilla.org/pub/firefox/releases/
 # Developer edition (and signatures): https://releases.mozilla.org/pub/devedition/releases/
diff --git a/bash/usr-local-bin/librewolf b/bash/usr-local-bin/librewolf
index 517293a..39127a7 100755
--- a/bash/usr-local-bin/librewolf
+++ b/bash/usr-local-bin/librewolf
@@ -4,7 +4,7 @@
 
 set -x
 export MOZ_ENABLE_WAYLAND=1
-FlagsForLibrewolf="--ProfileManager $@"
+FlagsForLibrewolf="--allow-downgrade --ProfileManager $@"
 
 # TODO: Local installation in the future? See the firefox wrapper
 if [ -f /usr/bin/librewolf ]; then