diff --git a/configure.ac b/configure.ac
index 3980038..1a21b01 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,7 +42,7 @@ CPPFLAGS="${CPPFLAGS} -DQT_NO_KEYWORDS"
 AX_PKG_REQUIRE([pcsc], [libpcsclite], [pcsclite.h])
 AX_PKG_REQUIRE([ssl], [libssl], [openssl/crypto.h], [openssl])
 AX_PKG_REQUIRE([mrwcxx], [mrw-c++], [mrw/checkcxx11.hxx])
-AX_PKG_REQUIRE([pkcs11], [p11-kit-1], [pkcs11.h], [libpkcs11-helper-1])
+AX_PKG_REQUIRE([pkcs11], [libpkcs11-helper-1], [pkcs11.h], [p11-kit-1])
 
 # create output
 AC_OUTPUT