1 files changed, 9 insertions, 9 deletions

diff --git a/src/bytecode.c b/src/bytecode.c
index 2e6ee3d4445..9c7a3fa30cf 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -58,21 +58,21 @@ by Hallvard:
 #ifdef BYTE_CODE_METER
 
 Lisp_Object Qbyte_code_meter;
-#define METER_2(code1, code2) \
-  XFASTINT (XVECTOR (XVECTOR (Vbyte_code_meter)->contents[(code1)]) \
-            ->contents[(code2)])
-
-#define METER_1(code) METER_2 (0, (code))
+#define METER_2(code1, code2) AREF (AREF (Vbyte_code_meter, code1), code2)
+#define METER_1(code) METER_2 (0, code)
 
 #define METER_CODE(last_code, this_code)                                \
 {                                                                       \
   if (byte_metering_on)                                                 \
     {                                                                   \
-      if (METER_1 (this_code) < MOST_POSITIVE_FIXNUM)                   \
-        METER_1 (this_code)++;                                          \
+      if (XFASTINT (METER_1 (this_code)) < MOST_POSITIVE_FIXNUM)        \
+        XSETFASTINT (METER_1 (this_code),                               \
+                     XFASTINT (METER_1 (this_code)) + 1);               \
       if (last_code                                                     \
-          && METER_2 (last_code, this_code) < MOST_POSITIVE_FIXNUM)     \
-        METER_2 (last_code, this_code)++;                               \
+          && (XFASTINT (METER_2 (last_code, this_code))                 \
+              < MOST_POSITIVE_FIXNUM))                                  \
+        XSETFASTINT (METER_2 (last_code, this_code),                    \
+                     XFASTINT (METER_2 (last_code, this_code)) + 1);    \
     }                                                                   \
 }