diff --git a/src/Makefile b/src/Makefile
index 5631cd6..8d9ff83 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -34,7 +34,7 @@ LIBS=-lm
 endif
 
 
-QMCKL_ROOT=$(CURDIR)/..
+QMCKL_ROOT=$(shell dirname $(CURDIR))
 
 export CC CFLAGS FC FFLAGS LIBS QMCKL_ROOT