diff --git a/configure.ac b/configure.ac
index 2289e7d9..ada66edd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@
  #                                                                             #
  ###############################################################################
  
-AC_PREREQ([2.64])
+AC_PREREQ([2.71])
  
  AC_INIT([pakfire],
  	[0.9.27],
@@ -97,7 +97,7 @@ PKG_PROG_PKG_CONFIG
  m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])
  
  # C Compiler
-AC_PROG_CC_STDC
+AC_PROG_CC
  
  CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
  	-Wall \