diff --git a/NEWS b/NEWS
index 131c02d4c240..b9cef48696be 100644
--- a/NEWS
+++ b/NEWS
@@ -80,6 +80,9 @@ PHP                                                                        NEWS
 - FTP:
   . Fix double free in ext/ftp data_accept() on accept failure. (alepacheco)
 
+- GD:
+  . Fixed imagetruecolortopalette() error message. (Marc Bennewitz)
+
 - Hash:
   . Fix GOST and Snefru digests of 512 MiB or more. (Martin Mirchev)
 
diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index 92001c4f9967..21fb90c3b4d1 100644
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -729,7 +729,7 @@ PHP_FUNCTION(imagetruecolortopalette)
 	im = php_gd_libgdimageptr_from_zval_p(IM);
 
 	if (ncolors <= 0 || ZEND_LONG_INT_OVFL(ncolors)) {
-		zend_argument_value_error(3, "must be greater than 0 and less than %d", INT_MAX);
+		zend_argument_value_error(3, "must be between 1 and %d", INT_MAX);
 		RETURN_THROWS();
 	}
 
diff --git a/ext/gd/tests/bug72697.phpt b/ext/gd/tests/bug72697.phpt
index a7ab6114db34..f8c21406ba05 100644
--- a/ext/gd/tests/bug72697.phpt
+++ b/ext/gd/tests/bug72697.phpt
@@ -20,5 +20,5 @@ trycatch_dump(
 ?>
 DONE
 --EXPECT--
-!! [ValueError] imagetruecolortopalette(): Argument #3 ($num_colors) must be greater than 0 and less than 2147483647
+!! [ValueError] imagetruecolortopalette(): Argument #3 ($num_colors) must be between 1 and 2147483647
 DONE
diff --git a/ext/gd/tests/imagetruecolortopalette_error3.phpt b/ext/gd/tests/imagetruecolortopalette_error3.phpt
index 0cbeca7e6d8b..d7726562572c 100644
--- a/ext/gd/tests/imagetruecolortopalette_error3.phpt
+++ b/ext/gd/tests/imagetruecolortopalette_error3.phpt
@@ -20,4 +20,4 @@ trycatch_dump(
 
 ?>
 --EXPECT--
-!! [ValueError] imagetruecolortopalette(): Argument #3 ($num_colors) must be greater than 0 and less than 2147483647
+!! [ValueError] imagetruecolortopalette(): Argument #3 ($num_colors) must be between 1 and 2147483647
diff --git a/ext/gd/tests/imagetruecolortopalette_error4.phpt b/ext/gd/tests/imagetruecolortopalette_error4.phpt
index d1e8cffc39d3..36b6d91b854b 100644
--- a/ext/gd/tests/imagetruecolortopalette_error4.phpt
+++ b/ext/gd/tests/imagetruecolortopalette_error4.phpt
@@ -21,5 +21,5 @@ trycatch_dump(
 
 ?>
 --EXPECT--
-!! [ValueError] imagetruecolortopalette(): Argument #3 ($num_colors) must be greater than 0 and less than 2147483647
-!! [ValueError] imagetruecolortopalette(): Argument #3 ($num_colors) must be greater than 0 and less than 2147483647
+!! [ValueError] imagetruecolortopalette(): Argument #3 ($num_colors) must be between 1 and 2147483647
+!! [ValueError] imagetruecolortopalette(): Argument #3 ($num_colors) must be between 1 and 2147483647