diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index 9499e08b4a5b4..bd9b713b88d6b 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -3765,7 +3765,7 @@ impl<'test> TestCx<'test> {
         support_dylib_path.push(&build_root);
         support_dylib_path.push(format!("{}-tools-bin", stage));
         if self.config.target.contains("windows") {
-            support_dylib_path.push("librun_make_support.dll");
+            support_dylib_path.push("run_make_support.dll");
         } else if self.config.target.contains("apple") {
             support_dylib_path.push("librun_make_support.dylib");
         } else {