diff --git a/ext/standard/basic_functions.stub.php b/ext/standard/basic_functions.stub.php
index 68cc86e7b1fa5..cd5df4d2011b9 100644
--- a/ext/standard/basic_functions.stub.php
+++ b/ext/standard/basic_functions.stub.php
@@ -3276,7 +3276,7 @@ function fdiv(float $num1, float $num2): float {}
 /**
  * @compile-time-eval
  */
-function fpow(float $num1, float $num2): float {}
+function fpow(float $num, float $exponent): float {}
 
 /* microtime.c */
 
diff --git a/ext/standard/basic_functions_arginfo.h b/ext/standard/basic_functions_arginfo.h
index e429281125053..e9035c7862119 100644
--- a/ext/standard/basic_functions_arginfo.h
+++ b/ext/standard/basic_functions_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 504f4172ac1d64535719234888400063eb37361b */
+ * Stub hash: b15d2f9fa727a78e6fa4d5c60a65d8848f655fe2 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_set_time_limit, 0, 1, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO(0, seconds, IS_LONG, 0)
@@ -1724,7 +1724,10 @@ ZEND_END_ARG_INFO()
 
 #define arginfo_fdiv arginfo_fmod
 
-#define arginfo_fpow arginfo_fmod
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_fpow, 0, 2, IS_DOUBLE, 0)
+	ZEND_ARG_TYPE_INFO(0, num, IS_DOUBLE, 0)
+	ZEND_ARG_TYPE_INFO(0, exponent, IS_DOUBLE, 0)
+ZEND_END_ARG_INFO()
 
 #if defined(HAVE_GETTIMEOFDAY)
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_microtime, 0, 0, MAY_BE_STRING|MAY_BE_DOUBLE)