diff --git a/configure.ac b/configure.ac
index 6bb7eb69..53f0fe55 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@ AC_CONFIG_SRCDIR([htop.c])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_HEADERS([config.h])
 
-AC_CANONICAL_TARGET
+AC_CANONICAL_HOST
 AM_INIT_AUTOMAKE([-Wall std-options subdir-objects])
 
 # ----------------------------------------------------------------------
@@ -22,7 +22,7 @@ AM_INIT_AUTOMAKE([-Wall std-options subdir-objects])
 # Checks for platform.
 # ----------------------------------------------------------------------
 
-case "$target_os" in
+case "$host_os" in
 linux*|gnu*)
    my_htop_platform=linux
    AC_DEFINE([HTOP_LINUX], [], [Building for Linux.])