diff --git a/Makefile b/Makefile
index bb40588..d3fa356 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ all: send RFSniffer
 send: RCSwitch.o send.o
 	$(CXX) $(CXXFLAGS) $(LDFLAGS) $+ -o $@ -lwiringPi
 	$(CXX) -shared -fPIC $+ -o $@.so -lwiringPi
-	sudo setcap cap_sys_nice+ep $@
+	-sudo setcap cap_sys_nice+ep $@
 
 RFSniffer: RCSwitch.o RFSniffer.o
 	$(CXX) $(CXXFLAGS) $(LDFLAGS) $+ -o $@ -lwiringPi