X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/cccd4e101a13cb73d25d591ef6c23122ec15533e..2d1dfab20a6ed69f48c1696e00a97b44eac84062:/IkiWiki/Plugin/sparkline.pm

diff --git a/IkiWiki/Plugin/sparkline.pm b/IkiWiki/Plugin/sparkline.pm
index c1f016ffd..fb4849492 100644
--- a/IkiWiki/Plugin/sparkline.pm
+++ b/IkiWiki/Plugin/sparkline.pm
@@ -149,7 +149,7 @@ sub preprocess (@) {
 
 		waitpid $pid, 0;
 		$SIG{PIPE}="DEFAULT";
-		if ($sigpipe) {
+		if ($sigpipe || ! defined $png) {
 			error gettext("failed to run php");
 		}