diff --git a/Makefile b/Makefile
index dfc07e6..5e83c6e 100644
--- a/Makefile
+++ b/Makefile
@@ -105,7 +105,7 @@ ifeq ($(MOLPRO), yes)
 endif
 
 ifeq ($(MOLCAS), yes)
-	MOLCAS_BLOCK= -DMOLCAS
+	MOLCAS_BLOCK= -DMOLCAS -fPIC
 endif
 
 FLAGS =  -I${MKLFLAGS} -I$(INCLUDE1) -I$(INCLUDE2) -I$(NEWMATINCLUDE) -I$(BOOSTINCLUDE) -I$(MOLPROINCLUDE) \