diff --git a/Makefile b/Makefile
index 753ed2c..9adeb3a 100644
--- a/Makefile
+++ b/Makefile
@@ -43,13 +43,11 @@ dist: clean
 	@rm -rf dvtm-${VERSION}
 
 install: dvtm
-	@echo stripping executable
-	@${STRIP} dvtm
 	@echo installing executable file to ${DESTDIR}${PREFIX}/bin
 	@mkdir -p ${DESTDIR}${PREFIX}/bin
-	@cp -f dvtm ${DESTDIR}${PREFIX}/bin
+	@cp -pf dvtm ${DESTDIR}${PREFIX}/bin
 	@chmod 755 ${DESTDIR}${PREFIX}/bin/dvtm
-	@cp -f dvtm-status ${DESTDIR}${PREFIX}/bin
+	@cp -pf dvtm-status ${DESTDIR}${PREFIX}/bin
 	@chmod 755 ${DESTDIR}${PREFIX}/bin/dvtm-status
 	@echo installing manual page to ${DESTDIR}${MANPREFIX}/man1
 	@mkdir -p ${DESTDIR}${MANPREFIX}/man1
diff --git a/config.mk b/config.mk
index aadf326..dd05c67 100644
--- a/config.mk
+++ b/config.mk
@@ -21,7 +21,7 @@ LIBS = -lc -lutil -lncursesw
 # Cygwin
 #INCS = -I/usr/include/ncurses
 
-CFLAGS += -std=c99 -Os ${INCS} -DVERSION=\"${VERSION}\" -DNDEBUG -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700
+CFLAGS += -std=c99 ${INCS} -DVERSION=\"${VERSION}\" -DNDEBUG -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700 ${RPM_OPT_FLAGS}
 LDFLAGS += ${LIBS}
 
 DEBUG_CFLAGS = ${CFLAGS} -UNDEBUG -O0 -g -ggdb -Wall -Wextra -Wno-unused-parameter