diff --git a/Imagick_arginfo.h b/Imagick_arginfo.h
index 1a1b24ab..9cc93469 100644
--- a/Imagick_arginfo.h
+++ b/Imagick_arginfo.h
@@ -2017,7 +2017,14 @@ ZEND_END_ARG_INFO()
 
 #define arginfo_class_Imagick_setLastIterator arginfo_class_Imagick_transposeImage
 
-#define arginfo_class_Imagick_resetIterator arginfo_class_Imagick_transposeImage
+
+#if PHP_VERSION_ID >= 80000
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_resetIterator, 0, 0, IS_VOID, 0)
+#else
+ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Imagick_resetIterator, 0, 0, 0)
+#endif
+
+ZEND_END_ARG_INFO()
 
 #define arginfo_class_Imagick_previousImage arginfo_class_Imagick_transposeImage
 
@@ -4899,16 +4906,9 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Imagick_key, 0, 0, 0)
 ZEND_END_ARG_INFO()
 #endif
 
+#define arginfo_class_Imagick_next arginfo_class_Imagick_resetIterator
 
-#if PHP_VERSION_ID >= 80000
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_next, 0, 0, IS_VOID, 0)
-#else
-ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Imagick_next, 0, 0, 0)
-#endif
-
-ZEND_END_ARG_INFO()
-
-#define arginfo_class_Imagick_rewind arginfo_class_Imagick_next
+#define arginfo_class_Imagick_rewind arginfo_class_Imagick_resetIterator
 
 #define arginfo_class_Imagick_valid arginfo_class_Imagick_transposeImage
 
@@ -5128,7 +5128,7 @@ ZEND_END_ARG_INFO()
 
 
 #if PHP_VERSION_ID >= 80000
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_setAntialias, 0, 1, _IS_BOOL, 0)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_setAntialias, 0, 1, IS_VOID, 0)
 #else
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Imagick_setAntialias, 0, 0, 1)
 #endif
@@ -5163,7 +5163,7 @@ ZEND_END_ARG_INFO()
 #if MagickLibVersion >= 0x687
 
 #if PHP_VERSION_ID >= 80000
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_optimizeImageTransparency, 0, 0, _IS_BOOL, 0)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_optimizeImageTransparency, 0, 0, IS_VOID, 0)
 #else
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Imagick_optimizeImageTransparency, 0, 0, 0)
 #endif
@@ -5174,7 +5174,7 @@ ZEND_END_ARG_INFO()
 #if MagickLibVersion >= 0x660
 
 #if PHP_VERSION_ID >= 80000
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_autoGammaImage, 0, 0, _IS_BOOL, 0)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_autoGammaImage, 0, 0, IS_VOID, 0)
 #else
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Imagick_autoGammaImage, 0, 0, 0)
 #endif
@@ -5186,7 +5186,7 @@ ZEND_END_ARG_INFO()
 #if MagickLibVersion >= 0x692
 
 #if PHP_VERSION_ID >= 80000
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_autoOrient, 0, 0, _IS_BOOL, 0)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_autoOrient, 0, 0, IS_VOID, 0)
 #else
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Imagick_autoOrient, 0, 0, 0)
 #endif
@@ -5276,7 +5276,7 @@ ZEND_END_ARG_INFO()
 #if IM_HAVE_IMAGICK_GETSETIMAGEMASK
 
 #if PHP_VERSION_ID >= 80000
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_setImageMask, 0, 2, _IS_BOOL, 0)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Imagick_setImageMask, 0, 2, IS_VOID, 0)
 #else
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_Imagick_setImageMask, 0, 0, 2)
 #endif
diff --git a/imagick_class.c b/imagick_class.c
index 8e407d67..93e1d871 100644
--- a/imagick_class.c
+++ b/imagick_class.c
@@ -4585,7 +4585,7 @@ PHP_METHOD(Imagick, newImage)
 	zend_bool allocated;
 
 	/* Parse parameters given to function */
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "llz|s", &columns, &rows, &param, &format, &format_len) == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "llz|s!", &columns, &rows, &param, &format, &format_len) == FAILURE) {
 		RETURN_THROWS();
 	}
 
diff --git a/tests/330_Imagick_newImage.phpt b/tests/330_Imagick_newImage.phpt
new file mode 100644
index 00000000..b8fed43b
--- /dev/null
+++ b/tests/330_Imagick_newImage.phpt
@@ -0,0 +1,32 @@
+--TEST--
+Test Imagick, newImage
+--SKIPIF--
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+?>
+--FILE--
+<?php
+
+
+$image = new Imagick();
+$image->newImage(100, 100, new ImagickPixel('red'), 'png');
+echo $image->getImageFormat();
+echo "\n";
+
+$image = new Imagick();
+$image->newImage(100, 100, 'blue', null);
+
+try {
+    $image->getImageFormat();
+}
+catch (ImagickException $ie) {
+    echo $ie->getMessage() . "\n";
+}
+
+echo "Ok";
+?>
+--EXPECTF--
+PNG
+Image has no format
+Ok