diff --git a/build/build.sh b/build/build.sh
index 05903bf..660ac4b 100644
--- a/build/build.sh
+++ b/build/build.sh
@@ -10,4 +10,13 @@ cd proton-bridge
 git checkout v$VERSION
 
 # Build
-make build-nogui
+if ! make build-nogui ; then
+	# If build fails it's probably because it is a 32bit
+	# system and there was a overflow error on the parser
+	# This is a workaround for this problem found at:
+	#   https://github.com/antlr/antlr4/issues/2433#issuecomment-774514106
+	find $(go env GOPATH)/pkg/mod/github.com/\!proton\!mail/go-rfc5322*/ -type f -exec sed -i.bak 's/(1<</(int64(1)<</g' {} +
+
+	# Try again after implementing the workaround
+	make build-nogui
+fi