diff --git a/unix/Makefile.in b/unix/Makefile.in
index 1da2d72..6e925d8 100644
--- a/unix/Makefile.in
+++ b/unix/Makefile.in
@@ -715,7 +715,7 @@ install-binaries: $(TK_LIB_FILE) $(TK_STUB_LIB_FILE) ${WISH_EXE}
fi
@echo "Installing $(LIB_FILE) to $(DLL_INSTALL_DIR)/"
@@INSTALL_LIB@
- @chmod 555 "$(DLL_INSTALL_DIR)/$(LIB_FILE)"
+ @chmod 755 "$(DLL_INSTALL_DIR)/$(LIB_FILE)"
@if test -f "tk${MAJOR_VERSION}${MINOR_VERSION}.dll"; then \
$(INSTALL_LIBRARY) "tk${MAJOR_VERSION}${MINOR_VERSION}.dll" "$(DLL_INSTALL_DIR)";\
chmod 555 "$(DLL_INSTALL_DIR)/tk${MAJOR_VERSION}${MINOR_VERSION}.dll";\