diff --git a/Makefile b/Makefile
index 8d3652edd..aef802854 100644
--- a/Makefile
+++ b/Makefile
@@ -383,11 +383,11 @@ endif
 
 wine32:
 	$(MAKE) -C source/jackbridge wine32
-	cp -f $(MODULEDIR)/jackbridge-wine32.dll.so $(CURDIR)/bin/jackbridge-wine32.dll
+	cp -f $(MODULEDIR)/jackbridge-wine32.dll$(LIB_EXT) $(CURDIR)/bin/jackbridge-wine32.dll
 
 wine64:
 	$(MAKE) -C source/jackbridge wine64
-	cp -f $(MODULEDIR)/jackbridge-wine64.dll.so $(CURDIR)/bin/jackbridge-wine64.dll
+	cp -f $(MODULEDIR)/jackbridge-wine64.dll$(LIB_EXT) $(CURDIR)/bin/jackbridge-wine64.dll
 
 # ---------------------------------------------------------------------------------------------------------------------