diff --git a/os400/make-src.sh b/os400/make-src.sh
index ef1b999b26..dd7d364e43 100644
--- a/os400/make-src.sh
+++ b/os400/make-src.sh
@@ -20,7 +20,7 @@ extproto()
             -e '/\/\*/!{'                                               \
             -e '/^#/{s/^.*[^\\]$//;h;d'                                 \
             -e '}'                                                      \
-            -e 's/\\$//'                                                \
+            -e 's/[{}]/;/g;s/\\$//'                                     \
             -e ':loop1'                                                 \
             -e '/;/{'                                                   \
             -e 's/^[^;]*;//;x;s/;.*//'                                  \