diff --git a/src/path.c b/src/path.c
index f2f317f..091288e 100644
--- a/src/path.c
+++ b/src/path.c
@@ -6,7 +6,8 @@ static inline bool byte_is_url_safe(char c) {
         || (c >= '0' && c <= '9')
         || (c >= '(' && c <= '*')
         || c == '!' || c == '-'
-        || c == '.' || c == '_';
+        || c == '.' || c == '_'
+        || c == '/';
 }
 
 // Determines if a string needs to be URL encoded.
diff --git a/test/test_path.c b/test/test_path.c
index 53b69b3..e73236f 100644
--- a/test/test_path.c
+++ b/test/test_path.c
@@ -38,8 +38,8 @@ int main() {
     noh_log(NOH_INFO, "url_encode:");
 
     check_string(url_encode, &good, &bad,
-        "abcdefghijklmnopqrstuvwxyz1023456789ABCDEFGHIJKLMNOPQRSTUVWXYZ()*!-._",
-        "abcdefghijklmnopqrstuvwxyz1023456789ABCDEFGHIJKLMNOPQRSTUVWXYZ()*!-._");
+        "abcdefghijklmnopqrstuvwxyz1023456789ABCDEFGHIJKLMNOPQRSTUVWXYZ()*!-._/",
+        "abcdefghijklmnopqrstuvwxyz1023456789ABCDEFGHIJKLMNOPQRSTUVWXYZ()*!-._/");
 
     check_string(url_encode, &good, &bad,
         "~!@#$%^&*()_+-=",
@@ -49,8 +49,8 @@ int main() {
     noh_log(NOH_INFO, "url_decode:");
 
     check_string(url_decode, &good, &bad,
-        "abcdefghijklmnopqrstuvwxyz1023456789ABCDEFGHIJKLMNOPQRSTUVWXYZ()*!-._",
-        "abcdefghijklmnopqrstuvwxyz1023456789ABCDEFGHIJKLMNOPQRSTUVWXYZ()*!-._");
+        "abcdefghijklmnopqrstuvwxyz1023456789ABCDEFGHIJKLMNOPQRSTUVWXYZ()*!-._/",
+        "abcdefghijklmnopqrstuvwxyz1023456789ABCDEFGHIJKLMNOPQRSTUVWXYZ()*!-._/");
 
     check_string(url_decode, &good, &bad,
         "%7e!%40%23%24%25%5e%26*()_%2b-%3d",