diff --git a/configure.ac b/configure.ac
index 7d9a34d..deab9e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@ AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_CC_PIE
 AC_PROG_INSTALL
-AM_PROG_MKDIR_P
+AC_PROG_MKDIR_P
 
 m4_define([_LT_AC_TAGCONFIG], [])
 m4_ifdef([AC_LIBTOOL_TAGS], [AC_LIBTOOL_TAGS([])])