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-rw-r--r--ext/cgi/escape/escape.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/cgi/escape/escape.c b/ext/cgi/escape/escape.c
index fa3d6c20384..ced1b182eb0 100644
--- a/ext/cgi/escape/escape.c
+++ b/ext/cgi/escape/escape.c
@@ -196,7 +196,7 @@ url_unreserved_char(unsigned char c)
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G': case 'H': case 'I': case 'J':
case 'K': case 'L': case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T':
case 'U': case 'V': case 'W': case 'X': case 'Y': case 'Z':
- case '-': case '.': case '_':
+ case '-': case '.': case '_': case '~':
return 1;
default:
break;