diff --git a/Examples/Makefile.in b/Examples/Makefile.in
index 1d0a25282..d0ad8bb29 100644
--- a/Examples/Makefile.in
+++ b/Examples/Makefile.in
@@ -1035,13 +1035,11 @@ RRSRC = $(INTERFACE:.i=.R)
 
 r: $(SRCS)
 	$(SWIG) -r $(SWIGOPT)  -o $(RSRCS) $(INTERFACE)
-	PKG_LIBS="$(SRCS)" PKG_CPPFLAGS="$(INCLUDES)" \
-             $(R) CMD SHLIB $(RSRCS)
+	+( PKG_LIBS="$(SRCS)" PKG_CPPFLAGS="$(INCLUDES)" $(R) CMD SHLIB $(RSRCS) )
 
 r_cpp: $(CXXSRCS)
 	$(SWIG) -c++ -r $(SWIGOPT) -o $(RCXXSRCS) $(INTERFACE)
-	PKG_LIBS="$(CXXSRCS)" PKG_CPPFLAGS="$(INCLUDES)" \
-	     $(R) CMD SHLIB $(RCXXSRCS)
+	+( PKG_LIBS="$(CXXSRCS)" PKG_CPPFLAGS="$(INCLUDES)" $(R) CMD SHLIB $(RCXXSRCS) )
 
 r_clean:
 	rm -f *_wrap* *~ .~* $(RSRCS) $(RCXXSRCS)