diff --git a/t/urifind/find.t b/t/urifind/find.t
index 8362cab..240f7a7 100644
--- a/t/urifind/find.t
+++ b/t/urifind/find.t
@@ -8,40 +8,40 @@ use File::Spec;
 ok(my $ifile = File::Spec->catfile(qw(t urifind sciencenews)),
     "Test file found");
 my $urifind = File::Spec->catfile(qw(blib script urifind));
-my @data = `$^X $urifind $ifile`;
+my @data = `"$^X" $urifind $ifile`;
 
 is(@data, 13, "Correct number of elements");
 is((grep /mailto:/ => @data), 4, "Found 4 mailto links");
 is((grep /http:/ => @data),   9, "Found 9 mailto links");
 
-@data = `$^X $urifind $ifile -p`;
+@data = `"$^X" $urifind $ifile -p`;
 my $count = 0;
 is(@data, 13, "*Still* correct number of elements");
 is((grep /^\Q$ifile/ => @data), @data,
     "All elements are prefixed with the path when $urifind invoked with -p");
 
-@data = `$^X $urifind -n $ifile /dev/null`;
+@data = `"$^X" $urifind -n $ifile /dev/null`;
 is(@data, 13, "*Still* correct number of elements");
 is((grep !/^\Q$ifile/ => @data), (@data),
     "All elements are not prefixed with the path when ($urifind,".
     " '/dev/null') invoked with -n");
 
-@data = `$^X $urifind -S http $ifile`;
+@data = `"$^X" $urifind -S http $ifile`;
 is(@data, 9, "Correct number of 'http' elements");
 
-@data = `$^X $urifind -S mailto $ifile`;
+@data = `"$^X" $urifind -S mailto $ifile`;
 is(@data, 4, "Correct number of 'mailto' elements");
 
-@data = `$^X $urifind -S mailto -S http $ifile`;
+@data = `"$^X" $urifind -S mailto -S http $ifile`;
 is(@data, 13, "Correct number of ('http', 'mailto') elements");
 
-@data = `$^X $urifind < $ifile`;
+@data = `"$^X" $urifind < $ifile`;
 is(@data, 13, "Correct number elements when given data on STDIN");
 
-@data = `$^X $urifind -S http -P \.org $ifile`;
+@data = `"$^X" $urifind -S http -P \.org $ifile`;
 is(@data, 8, "Correct number elements when invoked with -P \.org -S http");
 
-@data = `$^X $urifind --schemeless $ifile`;
+@data = `"$^X" $urifind --schemeless $ifile`;
 chomp @data;
 is_deeply \@data, [map { "$_" } qw(
     http://66.33.90.123