diff --git a/config/Makefile.linux b/config/Makefile.linux
index 55e4a23..6b9da03 100644
--- a/config/Makefile.linux
+++ b/config/Makefile.linux
@@ -24,6 +24,7 @@ WARN = -Wall -W
 POPT = -O2
 CFLAGS.EXTRA += -fPIC
 CFLAGS.EXTRA += -Wcast-qual
+CFLAGS.EXTRA += -ansi -pedantic
 BIN.SUFFIX =
 LIB.SONAME = lib$(NAME).so.$(SO_MAJOR)
 LIB.DEVLNK = lib$(NAME).so