diff --git a/src/makefiles/pgxs.mk b/src/makefiles/pgxs.mk
index 158581b3f5..8deb356958 100644
--- a/src/makefiles/pgxs.mk
+++ b/src/makefiles/pgxs.mk
@@ -359,11 +359,13 @@ check:
 else
 check: submake $(REGRESS_PREP)
 	$(pg_regress_check) $(REGRESS_OPTS) $(REGRESS)
-
-temp-install: EXTRA_INSTALL+=$(subdir)
 endif
 endif # REGRESS
 
+ifndef NO_TEMP_INSTALL
+temp-install: EXTRA_INSTALL+=$(subdir)
+endif
+
 
 # STANDARD RULES