diff --git a/tests/scripts/curves.pl b/tests/scripts/curves.pl
index 4e338b5..11b7d46 100755
--- a/tests/scripts/curves.pl
+++ b/tests/scripts/curves.pl
@@ -11,7 +11,7 @@
 
 -d 'library' && -d 'include' && -d 'tests' or die "Must be run from root\n";
 
-my $sed_cmd = 's/^#define \(POLARSSL_ECP_DP.*_ENABLED\)/\1/p';
+my $sed_cmd = 's/^#define \(MBEDTLS_ECP_DP.*_ENABLED\)/\1/p';
 my $config_h = 'include/mbedtls/config.h';
 my @curves = split( /\s+/, `sed -n -e '$sed_cmd' $config_h` );