diff --git a/usbguard-pthread.patch b/usbguard-pthread.patch
index 0ef969b..3bfe5c0 100644
--- a/usbguard-pthread.patch
+++ b/usbguard-pthread.patch
@@ -15,7 +15,7 @@ Index: usbguard-0.7.4/Makefile.am
  	src/GUI.Qt/SessionBlocker.moc.cpp \
  	src/GUI.Qt/TargetDelegate.moc.cpp
  
-+usbguard_applet_qt_LIBFLAGS= -pthread
++usbguard_applet_qt_LIBADD= -pthread
 +
  usbguard_applet_qt_LDADD=\
  	$(top_builddir)/libusbguard.la \