diff --git a/configure.ac b/configure.ac
index 3de1738..5a3f167 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@ AC_CONFIG_SRCDIR([hcore/mind.cpp])
 AC_CONFIG_AUX_DIR([autotools-aux])
 AC_CONFIG_MACRO_DIR([m4])
 
-AM_INIT_AUTOMAKE([foreign -Wall -Werror])
+AM_INIT_AUTOMAKE([foreign -Wall -Werror -Woverride])
 
 # Set the mind's quantized virtual oscillator period in milliseconds.
 # Default value is 33 ms, user override via MIND_VOSCILLATOR_PERIOD_MS.