diff --git a/c/shared/source/ufowrite/ufowrite.c b/c/shared/source/ufowrite/ufowrite.c
index 64ee9e631..3703837a7 100644
--- a/c/shared/source/ufowrite/ufowrite.c
+++ b/c/shared/source/ufowrite/ufowrite.c
@@ -875,6 +875,8 @@ static void setVersionMajor(char *dst, char *version) {
             seenNonZero = 1;
         }
     }
+    if (!seenNonZero)
+        *dst++ = '0';
     *dst = 0x00;
 }