diff --git a/configure.ac b/configure.ac
index 59081807..72c7a60f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -346,6 +346,7 @@ AM_CFLAGS="\
  -Wextra\
  -Wfloat-equal\
  -Wformat=2\
+ -Winit-self\
  -Wmissing-format-attribute\
  -Wmissing-noreturn\
  -Wmissing-prototypes\