diff --git a/tests/test-magic.c b/tests/test-magic.c
index adb0971e70..ff2f34c868 100644
--- a/tests/test-magic.c
+++ b/tests/test-magic.c
@@ -23,7 +23,7 @@ int main(int argc, char** argv)
 
   assert_true_rule_blob(
       "import \"magic\" rule test { condition: \
-      magic.type() contains \"PE32\" and \
+      magic.type() contains \"MS-DOS executable\" and \
       magic.mime_type() == \"application/x-dosexec\" }",
       PE32_FILE);
 
@@ -31,7 +31,7 @@ int main(int argc, char** argv)
   assert_true_rule_blob(
       "import \"magic\" rule test { condition: \
       magic.type() contains \"Mach-O\" and \
-      magic.mime_type() == \"application/x-mach-binary\" and \
+      (magic.mime_type() == \"application/x-mach-binary\" or magic.mime_type() == \"application/octet-stream\") and \
       magic.type() contains \"Mach-O\"}",
       MACHO_X86_FILE);