diff --git a/dev-util/mingw64-runtime/mingw64-runtime-11.0.0.ebuild b/dev-util/mingw64-runtime/mingw64-runtime-11.0.0.ebuild
index 5e0b60934d209..f58ee0b1fe5e2 100644
--- a/dev-util/mingw64-runtime/mingw64-runtime-11.0.0.ebuild
+++ b/dev-util/mingw64-runtime/mingw64-runtime-11.0.0.ebuild
@@ -60,7 +60,7 @@ src_configure() {
 
 	# likely cross-compiling from here, update toolchain variables
 	if ${MW_CROSS} && [[ ! -v MINGW_BYPASS ]]; then
-		unset AR AS CC CPP CXX LD NM OBJCOPY OBJDUMP RANLIB RC STRIP
+		unset AR AS CC CPP CXX DLLTOOL LD NM OBJCOPY OBJDUMP RANLIB RC STRIP
 		filter-flags '-fuse-ld=*'
 		filter-flags '-mfunction-return=thunk*' #878849
 	fi