diff --git a/configure.ac b/configure.ac
index 9290827..a77c471 100644
--- a/configure.ac
+++ b/configure.ac
@@ -41,7 +41,7 @@ CPPFLAGS="${CPPFLAGS} -DQT_NO_KEYWORDS"
 # libraries used
 if test "$MINGW" = "no"; then
    AX_PKG_REQUIRE([pcsc], [libpcsclite], [pcsclite.h])
-   AX_PKG_REQUIRE([pkcs11], [p11-kit-1], [pkcs11.h], [libpkcs11-helper-1])
+   AX_PKG_REQUIRE([pkcs11], [p11-kit-1], [pkcs11.h], [p11-kit libpkcs11-helper-1])
    AX_PKG_REQUIRE([ssl], [libssl], [openssl/crypto.h], [openssl])
 else
   LDFLAGS+=" -lwinscard -lssl -lcrypto"
diff --git a/libpcscxx.spec.in b/libpcscxx.spec.in
index 2a3210a..b6cdcd1 100644
--- a/libpcscxx.spec.in
+++ b/libpcscxx.spec.in
@@ -5,13 +5,13 @@ Release: @BUILD_NUMBER@%{?dist}
 License: LGPL
 Group: Development/Libraries/C++
 Source0: %{name}-%{version}.tar.gz
-BuildRequires: gnupg, subversion, automake, autoconf, doxygen, graphviz, qtbase5-devel, qtbase5-devel-tools
+BuildRequires: gnupg, subversion, automake, autoconf, doxygen, graphviz
 BuildRequires: p11-kit-devel
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 %if 0%{?fedora} || 0%{?rhel} || 0%{?rhl} || 0%{?centos} || 0%{?centos_ver} || 0%{?centos_version}
-BuildRequires: pkgconfig, redhat-lsb
+BuildRequires: pkgconfig, redhat-lsb, qtbase5-devel, qtbase5-devel-tools
 %else%if 0%{?suse_version} || 0%{?sles_version}
-BuildRequires: pkg-config, lsb-release
+BuildRequires: pkg-config, lsb-release, libqt5-qtbase-devel, libqt5-qttools
 %endif%endif
 %if 0%{?fedora} || 0%{?rhel} || 0%{?rhl}
 BuildRequires: mscgen