diff --git a/ChangeLog b/ChangeLog
index 739e9ba..80d2ec5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,6 +8,9 @@ Version 10.35
 
 2. Fix ARMv5 JIT improper handling of labels right after a constant pool.
 
+3. A JIT bug is fixed which allowed to read the fields of the compiled
+pattern before its existence is checked.
+
 
 Version 10.34 21-November-2019
 ------------------------------
diff --git a/src/pcre2_jit_compile.c b/src/pcre2_jit_compile.c
index 1d64536..303c68f 100644
--- a/src/pcre2_jit_compile.c
+++ b/src/pcre2_jit_compile.c
@@ -13742,11 +13742,6 @@ pcre2_jit_compile(pcre2_code *code, uint32_t options)
 {
 pcre2_real_code *re = (pcre2_real_code *)code;
 
-#ifdef SUPPORT_JIT
-executable_functions *functions = (executable_functions *)re->executable_jit;
-static int executable_allocator_is_working = 0;
-#endif
-
 if (code == NULL)
   return PCRE2_ERROR_NULL;
 
@@ -13779,6 +13774,11 @@ actions are needed:
      avoid compiler warnings.
 */
 
+#ifdef SUPPORT_JIT
+executable_functions *functions = (executable_functions *)re->executable_jit;
+static int executable_allocator_is_working = 0;
+#endif
+
 if ((options & PCRE2_JIT_INVALID_UTF) != 0)
   {
   if ((re->overall_options & PCRE2_MATCH_INVALID_UTF) == 0)