diff --git a/test/test-scan-deps.cpp b/test/test-scan-deps.cpp
index 46b1823..350d148 100644
--- a/test/test-scan-deps.cpp
+++ b/test/test-scan-deps.cpp
@@ -20,7 +20,7 @@
 #include <version>
 
 // Test that we have set the expected architecture defines.
-#if defined(__x86_64__)
+#if defined(__x86_64__) && !defined(__arm64ec__)
 #ifndef EXPECT_x86_64
 #include <intentionally-missing-header>
 #endif
@@ -36,4 +36,8 @@
 #ifndef EXPECT_armv7
 #include <intentionally-missing-header>
 #endif
+#elif defined(__arm64ec__)
+#ifndef EXPECT_arm64ec
+#include <intentionally-missing-header>
+#endif
 #endif