diff --git a/m4/ktf.m4 b/m4/ktf.m4
index 58d9af8..0e9661e 100644
--- a/m4/ktf.m4
+++ b/m4/ktf.m4
@@ -56,7 +56,7 @@ AC_LANG_POP([C++])
 
 AC_DEFUN([AC_CHECK_NETLINK],
 [
-PKG_CHECK_MODULES(LIBNL3, libnl-3.0 >= 3.1, [have_libnl3=yes],[ dnl
+PKG_CHECK_MODULES(LIBNL3, [libnl-3.0 >= 3.1], [have_libnl3=yes],[ dnl
   have_libnl3=no
   PKG_CHECK_MODULES([NETLINK], [libnl-1 >= 1.1])
 ])
@@ -81,7 +81,7 @@ AC_CHECK_LIBDIR
 # Also look for dependencies below --prefix, if set:
 #
 AS_IF([test "x$prefix" != "x" ],[export PKG_CONFIG_PATH=$prefix/$libsuffix/pkgconfig])
-PKG_CHECK_MODULES(GTEST, gtest >= 1.9.0, [HAVE_GTEST="yes"])
+PKG_CHECK_MODULES(GTEST, [gtest >= 1.9.0], [HAVE_GTEST="yes"])
 
 ktf_build="$(pwd)/../ktf"
 ktf_src="$ac_confdir/../ktf"
@@ -197,7 +197,7 @@ AC_DEFUN([AM_CONFIG_KTF],
 AC_CHECK_LIBDIR
 
 AS_IF([test "x$gtest_prefix" != "x" ],[export PKG_CONFIG_PATH=$gtest_prefix/$libsuffix/pkgconfig])
-PKG_CHECK_MODULES(GTEST, gtest >= 1.9.0, [HAVE_GTEST="yes"])
+PKG_CHECK_MODULES(GTEST, [gtest >= 1.9.0], [HAVE_GTEST="yes"])
 
 AC_CHECK_ASSERT_CNT