diff --git a/Makefile b/Makefile
index 517e139..81e175b 100644
--- a/Makefile
+++ b/Makefile
@@ -43,7 +43,7 @@ sprm-all: dist
 			--undefine "dist" \
 			--define "dist .$$dist" \
 			--define "_sourcedir $(PWD)" \
-			--define "_srcrpmdir $(PWD)" \
+			--define "_srcrpmdir $(or $(outdir),$(PWD))" \
 			-bs $(NAME).spec; \
 	done
 
@@ -62,7 +62,7 @@ rpm-all: dist
 srpm: dist
 	rpmbuild --define "_topdir $(PWD)/$(BUILDDIR)" \
 	         --define "_sourcedir $(PWD)" \
-	         --define "_srcrpmdir $(PWD)" \
+		 --define "_srcrpmdir $(or $(outdir),$(PWD))" \
 	         -bs $(NAME).spec
 
 rpm: dist