diff --git a/testsuite/jpeg-metadata/run.py b/testsuite/jpeg-metadata/run.py
index 07e2e6bae5..ccfdb3cf3a 100755
--- a/testsuite/jpeg-metadata/run.py
+++ b/testsuite/jpeg-metadata/run.py
@@ -26,13 +26,13 @@
 command += rw_command ("src", "blender-render.jpg", use_oiiotool=1,
                        output_filename="with-attribs-and-desc.jpg",
                        extraargs="--attrib:type=int jpeg:com_attributes 1 "
-                       "--attrib:type=string ImageDescription 'A photo'")
+                       "--attrib:type=string ImageDescription \"A photo\"")
 command += info_command ("with-attribs-and-desc.jpg", safematch=True)
 
 # Check that JPEG comments that would match an attribute will be read as ImageDescription
 # if jpeg:com_attributes is 0.
 command += rw_command ("src", "blender-render.jpg", use_oiiotool=1,
                        output_filename="with-colon-desc.jpg",
-                       extraargs="--attrib:type=string ImageDescription 'Example:Text'")
+                       extraargs="--attrib:type=string ImageDescription \"Example:Text\"")
 command += info_command ("with-colon-desc.jpg", safematch=True,
                          extraargs="--oiioattrib:type=int jpeg:com_attributes 0")