diff --git a/src/Makefile b/src/Makefile
index 0e20e4a2ab02a54c4be1be985ac1ad7cc52bb84c..3d140df7dbd7a8f51c4368348d6cfc88219b8ee6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -408,7 +408,7 @@ $(OBJDIR_MASTER)/spll_lockoff.o $(OBJDIR_MASTER)/spll_lockon.o $(OBJDIR_MASTER)/
 $(OBJDIR_MASTER)/fswap8buff.o $(OBJDIR_MASTER)/spll_remark2.o
 
 libs4py.so : progmaster
-	$(CC) -shared $(LDFLAGS) -o $(OBJDIR_MASTER)/$@ $(OBJ_S4PY) $(LIBS)
+	$(F90) -shared $(LDFLAGS) -o $(OBJDIR_MASTER)/$@ $(OBJ_S4PY) $(LIBS)
 endif
 ##########################################################
 #                                                        #