diff --git a/util/superiotool/Makefile b/util/superiotool/Makefile
index 38a4127bb1..6f3cfa31b5 100644
--- a/util/superiotool/Makefile
+++ b/util/superiotool/Makefile
@@ -29,7 +29,7 @@ PREFIX  = /usr/local
 SVNDEF := -D'SUPERIOTOOL_VERSION="$(shell svnversion -cn . \
           | sed -e "s/.*://" -e "s/\([0-9]*\).*/\1/")"'
 
-CFLAGS += -O2 -Wall -Werror -Wstrict-prototypes -Wundef -Wstrict-aliasing \
+CFLAGS += -O2 -Wall -Wstrict-prototypes -Wundef -Wstrict-aliasing \
          -Werror-implicit-function-declaration -ansi -pedantic $(SVNDEF)
 LDFLAGS += -lz