diff --git a/Makefile.pre.in b/Makefile.pre.in
index 2006092b25c..92cb7061589 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -535,7 +535,7 @@ altbininstall:	$(PYTHON)
 	else	true; \
 	fi
 	if test -f "$(DLLLIBRARY)"; then \
-		$(INSTALL_DATA) $(DLLLIBRARY) $(BINDIR); \
+		$(INSTALL_SHARED) $(DLLLIBRARY) $(BINDIR); \
 	else	true; \
 	fi