diff --git a/jdk/makefiles/CopyFiles.gmk b/jdk/makefiles/CopyFiles.gmk
index 8f99a113d3d243dabec12446add08f2e51be6e59..7de946c88e3496cd84ce1afd500baddfcfb4dc3d 100644
--- a/jdk/makefiles/CopyFiles.gmk
+++ b/jdk/makefiles/CopyFiles.gmk
@@ -267,10 +267,12 @@ endif
 
 ifeq ($(OPENJDK_TARGET_OS),windows)
     MSVCR_TARGET := $(JDK_OUTPUTDIR)/bin/$(notdir $(MSVCR_DLL))
+    # Chmod to avoid permission issues if bundles are unpacked on unix platforms.
     $(MSVCR_TARGET): $(MSVCR_DLL)
 	$(MKDIR) -p $(@D)
 	$(RM) $@
 	$(CP) $< $@
+	$(CHMOD) a+rx $@
 
     COPY_FILES += $(MSVCR_TARGET)
 endif