diff --git a/Makefile b/Makefile
index 911eaae..0dc88f5 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ LN ?= ln
 MAKE ?= make
 rm ?= rm
 
-CFLAGS = -O3 -std=c89 -fPIC ${INCLUDES} -D_FILE_OFFSET_BITS=64
+CFLAGS += -O2 -std=c89 -fPIC ${INCLUDES} -D_FILE_OFFSET_BITS=64
 CFDEBUG = -O0 -g3 -pedantic -Wall -Wextra -Wconversion -Wstrict-prototypes \
 		  -Wcast-qual -Wcast-align -Wshadow -Wredundant-decls -Wundef \
 		  -Wfloat-equal -Wmissing-include-dirs -Wswitch-default -Wswitch-enum \
@@ -37,7 +37,7 @@ OBJS = ${SRCS:${SRC}/%.c=${OBJ}/%.o}
 .PATH: ${SRC}
 
 ${NAME}: ${OBJS}
-	${CC} ${CFLAGS} -shared -o ${LIB}/lib${NAME}.so.${VERSION} ${OBJS}
+	${CC} ${CFLAGS} ${LDFLAGS} -shared -o ${LIB}/lib${NAME}.so.${VERSION} ${OBJS}
 	${LN} -sf lib${NAME}.so.${VERSION} ${LIB}/lib${NAME}.so.${VERSION_MAJOR}
 	${LN} -sf lib${NAME}.so.${VERSION} ${LIB}/lib${NAME}.so.${VERSION_MAJOR}.${VERSION_MINOR}
 	${LN} -sf lib${NAME}.so.${VERSION} ${LIB}/lib${NAME}.so