diff --git a/src/runtime.h b/src/runtime.h
index 5f8fdd1..41b5887 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -18,9 +18,12 @@
 #ifndef HAVE_PARALLEL_RUNTIME_H
 #define HAVE_PARALLEL_RUNTIME_H
 
-#if PHP_VERSION_ID < 80200
-#define zend_atomic_bool bool
-#define zend_atomic_bool_store(dest, value) (*(dest) = value)
+#if PHP_VERSION_ID >= 80700
+typedef atomic_bool php_parallel_interrupt_t;
+#elif PHP_VERSION_ID >= 80200
+typedef zend_atomic_bool php_parallel_interrupt_t;
+#else
+typedef bool php_parallel_interrupt_t;
 #endif
 
 typedef struct _php_parallel_runtime_t {
@@ -28,7 +31,7 @@ typedef struct _php_parallel_runtime_t {
 	php_parallel_monitor_t *monitor;
 	zend_string            *bootstrap;
 	struct {
-		zend_atomic_bool *interrupt;
+		php_parallel_interrupt_t *interrupt;
 	} child;
 	struct {
 		void  *server;
diff --git a/src/scheduler.c b/src/scheduler.c
index dfa8494..1dd6f5f 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -743,6 +743,17 @@ void php_parallel_scheduler_push(php_parallel_runtime_t *runtime, zval *closure,
 	php_parallel_monitor_unlock(runtime->monitor);
 }
 
+static zend_always_inline void php_parallel_scheduler_request_interrupt(php_parallel_runtime_t *runtime)
+{
+#if PHP_VERSION_ID >= 80700
+	atomic_store(runtime->child.interrupt, true);
+#elif PHP_VERSION_ID >= 80200
+	zend_atomic_bool_store(runtime->child.interrupt, true);
+#else
+	*runtime->child.interrupt = true;
+#endif
+}
+
 void php_parallel_scheduler_join(php_parallel_runtime_t *runtime, bool kill)
 {
 	php_parallel_monitor_lock(runtime->monitor);
@@ -756,7 +767,7 @@ void php_parallel_scheduler_join(php_parallel_runtime_t *runtime, bool kill)
 	if (kill) {
 		php_parallel_monitor_set(runtime->monitor, PHP_PARALLEL_KILLED);
 
-		zend_atomic_bool_store(runtime->child.interrupt, true);
+		php_parallel_scheduler_request_interrupt(runtime);
 	} else {
 		php_parallel_monitor_set(runtime->monitor, PHP_PARALLEL_CLOSE);
 	}
@@ -790,7 +801,7 @@ bool php_parallel_scheduler_cancel(php_parallel_future_t *future)
 		php_parallel_monitor_lock(future->monitor);
 
 		if (!php_parallel_monitor_check(future->monitor, PHP_PARALLEL_READY)) {
-			zend_atomic_bool_store(future->runtime->child.interrupt, true);
+			php_parallel_scheduler_request_interrupt(future->runtime);
 
 			php_parallel_monitor_set(future->monitor, PHP_PARALLEL_CANCELLED);
 			php_parallel_monitor_wait_locked(future->monitor, PHP_PARALLEL_READY);