diff --git a/Makefile b/Makefile
index c742a9f..a38edee 100644
--- a/Makefile
+++ b/Makefile
@@ -232,7 +232,7 @@ endif
 # Note that we disable MSYS2's path munging here, as otherwise
 # it replaces our `:`-separated list as a `;`-separated one.
 define stringreplace
-	MSYS2_ARG_CONV_EXCL='*' $(build_depsbindir)/stringreplace $$(strings -t x - '$1' | grep "$2" | awk '{print $$1;}') "$3" 255 "$(call cygpath_w,$1)"
+	MSYS2_ARG_CONV_EXCL='*' $(build_depsbindir)/stringreplace $$(strings -t x - "$1" | grep "$2" | awk '{print $$1;}') "$3" 255 "$(call cygpath_w,$1)"
 endef