diff --git a/progs/egl/Makefile b/progs/egl/Makefile
index fe490c2f8ea..c74f474a899 100644
--- a/progs/egl/Makefile
+++ b/progs/egl/Makefile
@@ -60,7 +60,7 @@ xeglgears: xeglgears.o $(HEADERS) $(LIB_DEP)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X11_LIBS)
 
 xeglthreads: xeglthreads.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X11_LIBS)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm -lpthread $(X11_LIBS)
 
 xegl_tri: xegl_tri.o $(HEADERS) $(LIB_DEP)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X11_LIBS)