diff --git a/usr/events/Makefile b/usr/events/Makefile
index c5da707da..023b3a633 100644
--- a/usr/events/Makefile
+++ b/usr/events/Makefile
@@ -22,7 +22,7 @@ CFLAGS += -O2 -Wall -Wextra -Wno-unused-parameter -Wstrict-prototypes \
 PROGS = events
 LIBS = -lpthread
 
-CFLAGS += -W -Wno-unused-parameter
+CFLAGS += -Wextra -Wno-unused-parameter
 CFLAGS += $(LOCAL_CFLAGS)
 #CFLAGS += -DDEBUG_NOMEM
 
diff --git a/usr/fileio/Makefile b/usr/fileio/Makefile
index b46372f91..a5135e372 100644
--- a/usr/fileio/Makefile
+++ b/usr/fileio/Makefile
@@ -38,7 +38,7 @@ CFLAGS += -O2 -Wall -Wextra -Wno-unused-parameter -Wstrict-prototypes \
 PROGS = fileio_tgt
 LIBS = -lpthread
 
-CFLAGS += -W -Wno-unused-parameter
+CFLAGS += -Wextra -Wno-unused-parameter
 CFLAGS += $(LOCAL_CFLAGS)
 #CFLAGS += -DDEBUG_NOMEM
 #CFLAGS += -DDEBUG_SENSE
diff --git a/usr/stpgd/Makefile b/usr/stpgd/Makefile
index 9a67f312f..55dac703a 100644
--- a/usr/stpgd/Makefile
+++ b/usr/stpgd/Makefile
@@ -24,7 +24,7 @@ CFLAGS += -O2 -Wall -Wextra -Wno-unused-parameter -Wstrict-prototypes \
 PROGS = stpgd
 LIBS = -lpthread
 
-CFLAGS += -W -Wno-unused-parameter
+CFLAGS += -Wextra -Wno-unused-parameter
 CFLAGS += $(LOCAL_CFLAGS)
 #CFLAGS += -DDEBUG_NOMEM