diff --git a/tests/testcurl.pl b/tests/testcurl.pl
index 8f5072bc2..e1b9f64a1 100755
--- a/tests/testcurl.pl
+++ b/tests/testcurl.pl
@@ -264,6 +264,7 @@ logit "NAME = $name";
 logit "EMAIL = $email";
 logit "DESC = $desc";
 logit "CONFOPTS = $confopts";
+logit "CPPFLAGS = ".$ENV{CPPFLAGS};
 logit "CFLAGS = ".$ENV{CFLAGS};
 logit "LDFLAGS = ".$ENV{LDFLAGS};
 logit "CC = ".$ENV{CC};