diff --git a/share/machdeps/make_machdep/make_machdep.py b/share/machdeps/make_machdep/make_machdep.py
index 97aa2901b0a849a3b0f5962acfc62e5d3bbbcdab..f3e922f099c207553217dd174aee6173d81e10b2 100755
--- a/share/machdeps/make_machdep/make_machdep.py
+++ b/share/machdeps/make_machdep/make_machdep.py
@@ -191,7 +191,7 @@ def find_value(name, typ, output):
             return int(x)
 
     elif typ == "type":
-        expected = "'([^']+)'"
+        expected = "`([^`]+)`"
 
         def conversion(x):
             return x
diff --git a/share/machdeps/make_machdep/make_machdep_common.h b/share/machdeps/make_machdep/make_machdep_common.h
index 729a741947eeba95a6b88d30f9b45c64ff9f2a7e..8688084e084e41f03b2f8b0ec6af9a36d784fd8e 100644
--- a/share/machdeps/make_machdep/make_machdep_common.h
+++ b/share/machdeps/make_machdep/make_machdep_common.h
@@ -39,6 +39,6 @@
 #define mkstr(s) #s
 
 #define TEST_TYPE_COMPATIBLE(T1, T2)                                           \
-  _Static_assert(!COMPATIBLE(T1, T2), "" mkstr(T2) " is '" #T1 "'");
+  _Static_assert(!COMPATIBLE(T1, T2), "" mkstr(T2) " is `" #T1 "`");
 
 #define TEST_TYPE_IS(type) TEST_TYPE_COMPATIBLE(type, TEST_TYPE)