diff --git a/scripts/regex_test.py b/scripts/regex_test.py
index 4fa98de..f3d0c72 100755
--- a/scripts/regex_test.py
+++ b/scripts/regex_test.py
@@ -58,7 +58,7 @@
     repeats -= 1
     example = exrex.getone(pattern)
     #print("%s %s %s" % (prog, pattern, example))
-    ret = call([prog, "\"%s\"" % pattern, "\"%s\"" % example])
+    ret = call([prog, pattern, example])
     if ret != 0:
       escaped = repr(example) # escapes special chars for better printing
       print("    FAIL : doesn't match %s as expected [%s]." % (escaped, ", ".join([("0x%02x" % ord(e)) for e in example]) ))
diff --git a/scripts/regex_test_neg.py b/scripts/regex_test_neg.py
index c3daad6..43647be 100755
--- a/scripts/regex_test_neg.py
+++ b/scripts/regex_test_neg.py
@@ -64,7 +64,7 @@ def gen_no_match(pattern, minlen=1, maxlen=50, maxattempts=500):
     repeats -= 1
     example = gen_no_match(pattern)
     #print("%s %s %s" % (prog, pattern, example))
-    ret = call([prog, "\"%s\"" % pattern, "\"%s\"" % example])
+    ret = call([prog, pattern, example])
     if ret != 0:
       escaped = repr(example) # escapes special chars for better printing
       print("    FAIL : matches %s unexpectedly [%s]." % (escaped, ", ".join([("0x%02x" % ord(e)) for e in example]) ))