diff --git a/src/Makefile b/src/Makefile
index d343eea..5631cd6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -34,7 +34,7 @@ LIBS=-lm
 endif
 
 
-QMCKL_ROOT=$(PWD)/..
+QMCKL_ROOT=$(CURDIR)/..
 
 export CC CFLAGS FC FFLAGS LIBS QMCKL_ROOT