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-rw-r--r--sysdep/unix/main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdep/unix/main.c b/sysdep/unix/main.c
index 282afae2..d9d9ad84 100644
--- a/sysdep/unix/main.c
+++ b/sysdep/unix/main.c
@@ -139,7 +139,7 @@ read_iproute_table(char *file, char *prefix, int max)
continue;
for(p = name; *p; p++)
- if ((*p < 'a' || *p > 'z') && (*p < '0' || *p > '9') && (*p != '_'))
+ if ((*p < 'a' || *p > 'z') && (*p < 'A' || *p > 'Z') && (*p < '0' || *p > '9') && (*p != '_'))
*p = '_';
add_num_const(namebuf, val);