diff --git a/configure.ac.in b/configure.ac.in
index dd8018365263a44317adb8cedd8eb5679e5d6770..3fd6424f31850951d1b1ced5b96873ab3e9d00fd 100644
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -69,7 +69,7 @@ fi
 dnl ********************************
 dnl *** Check for basic programs ***
 dnl ********************************
-AC_PROG_CC_C99
+AC_PROG_CC()
 AC_PROG_LD()
 AM_PROG_CC_C_O()
 AC_PROG_INSTALL()