1 files changed, 4 insertions, 5 deletions

diff --git a/src/coding.c b/src/coding.c
index 99d82dccd0a..77805bdbfdd 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -593,7 +593,10 @@ int
 detect_coding_iso2022 (src, src_end)
      unsigned char *src, *src_end;
 {
-  int mask = CODING_CATEGORY_MASK_ANY;
+  int mask = (CODING_CATEGORY_MASK_ISO_7
+              | CODING_CATEGORY_MASK_ISO_8_1
+              | CODING_CATEGORY_MASK_ISO_8_2
+              | CODING_CATEGORY_MASK_ISO_ELSE);
   int g1 = 0;                   /* 1 iff designating to G1.  */
   int c, i;
 
@@ -612,10 +615,6 @@ detect_coding_iso2022 (src, src_end)
                                   || (*src >= '@' && *src <= 'B'))))
             {
               /* Valid designation sequence.  */
-              mask &= (CODING_CATEGORY_MASK_ISO_7
-                       | CODING_CATEGORY_MASK_ISO_8_1
-                       | CODING_CATEGORY_MASK_ISO_8_2
-                       | CODING_CATEGORY_MASK_ISO_ELSE);
               if (c == ')' || (c == '$' && *src == ')'))
                 {
                   g1 = 1;