diff --git a/.travis.yml b/.travis.yml
index ee2f67c..b4bc666 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: c
 
 env:
+    - MO_PHP_VERSION=7.4.19
     - MO_PHP_VERSION=7.3.2
     - MO_PHP_VERSION=7.2.2
     - MO_PHP_VERSION=7.1.2
diff --git a/molten_intercept.c b/molten_intercept.c
index 05a8682..9d7b631 100644
--- a/molten_intercept.c
+++ b/molten_intercept.c
@@ -335,7 +335,12 @@ static char *pcre_common_match(char *pattern, int len, char *subject)
 #else
     if ((cache = pcre_get_compiled_regex_cache(pattern, len)) != NULL) {
 #endif
+#if PHP_VERSION_ID >= 70400
+        zend_string *subject_str = zend_string_init(subject, strlen(subpats), 0);
+        php_pcre_match_impl(cache, subject_str, result, subpats, 0, 0, 0, 0 TSRMLS_CC);
+#else
         php_pcre_match_impl(cache, subject, strlen(subject), result, subpats, 0, 0, 0, 0 TSRMLS_CC);
+#endif
         zval *match = NULL;
         if (Z_LVAL_P(result) > 0 && MO_Z_TYPE_P(subpats) == IS_ARRAY) {
 #if PHP_VERSION_ID >= 70000