diff --git a/pkgs/misc/tex/nix/find-includes.pl b/pkgs/misc/tex/nix/find-includes.pl
index 9e5fd112bac9..eb36cefc7de6 100644
--- a/pkgs/misc/tex/nix/find-includes.pl
+++ b/pkgs/misc/tex/nix/find-includes.pl
@@ -82,7 +82,7 @@ while (scalar @workset > 0) {
 	} elsif (/\\includegraphics(\[.*\])?\{(.*)\}/) {
 	    my $fn2 = $2;
             die "absolute path! $fn2" if substr($fn2, 0, 1) eq "/";
-            addToWorkSetExts("$path/$fn2", ".pdf", ".png", ".ps");
+            addToWorkSetExts("$path/$fn2", ".pdf", ".png", ".ps", ".jpg");
 	} elsif (/\\pgfdeclareimage(\[.*\])?\{.*\}\{(.*)\}/) {
 	    my $fn2 = $2;
             die "absolute path! $fn2" if substr($fn2, 0, 1) eq "/";