diff --git a/tests/functional/test_mips64el_malta.py b/tests/functional/test_mips64el_malta.py
index 6c6355b131..24ebcdb9c1 100755
--- a/tests/functional/test_mips64el_malta.py
+++ b/tests/functional/test_mips64el_malta.py
@@ -129,7 +129,7 @@ class MaltaMachineFramebuffer(LinuxKernelTest):
         screendump_path = os.path.join(self.workdir, 'screendump.pbm')
 
         kernel_path_gz = self.ASSET_KERNEL_4_7_0.fetch()
-        kernel_path = self.workdir + "vmlinux"
+        kernel_path = self.workdir + "/vmlinux"
         gzip_uncompress(kernel_path_gz, kernel_path)
 
         tuxlogo_path = self.ASSET_TUXLOGO.fetch()