diff --git a/src/cap5/Makefile b/src/cap5/Makefile
index e015ff825..7f23bdb67 100644
--- a/src/cap5/Makefile
+++ b/src/cap5/Makefile
@@ -53,10 +53,11 @@ include $(TOP)/configure/RULES
 
 ifdef T_A
   EXTUTILS = $(shell $(PERL) ../perlConfig.pl privlib)/ExtUtils
+  XSUBPP = $(firstword $(wildcard /usr/bin/xsubpp $(EXTUTILS)/xsubpp))
 
   %.c: ../%.xs
 	$(RM) $@ $@_new
-	$(PERL) $(EXTUTILS)/xsubpp -typemap $(EXTUTILS)/typemap $< > $@_new && $(MV) $@_new $@
+	$(PERL) $(XSUBPP) -typemap $(EXTUTILS)/typemap $< > $@_new && $(MV) $@_new $@
 
   %.html: ../%.pm
 	$(RM) $@