diff --git a/Makefile.in b/Makefile.in
index 24021d4..42027d6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -35,7 +35,7 @@ RC_DIR = @RC_DIR@
 ETC_DIR = $(sysconfdir)
 CONF_DIR = $(sysconfdir)/$(PACKAGE)
 
-CFLAGS = -I. -I$(top_srcdir) @CFLAGS@ $(CPPFLAGS) $(DEFS) $(OPTS)
+CFLAGS = -Wall -I. -I$(top_srcdir) @CFLAGS@ $(CPPFLAGS) $(DEFS) $(OPTS)
 WCCFLAGS = @WCCFLAGS@
 CPPFLAGS = @CPPFLAGS@
 DEFS = @DEFS@ -DAUXBIN_DIR=\"$(AUXBIN_DIR)\" \