diff --git a/src/Makefile b/src/Makefile
index 57b158f16ffcefc0f28ef9192ff29175a580f425..8a1039a07a9e3b86881cd7a806f0df1a79db27bc 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -407,7 +407,7 @@ $(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
 ##########################################################
 #                                                        #