diff --git a/CMakeLists.txt b/CMakeLists.txt
index f59ca5ac..ceb5816b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -909,7 +909,7 @@ if (UNICORN_HAS_X86)
     set(UNICORN_SAMPLE_FILE ${UNICORN_SAMPLE_FILE} sample_x86 sample_x86_32_gdt_and_seg_regs sample_batch_reg mem_apis shellcode)
 endif()
 if (UNICORN_HAS_ARM)
-    set(UNICORN_COMPILE_OPTIONS ${UNICORN_COMPILE_OPTIONS} -DUNICORN_HAS_ARM)
+    set(UNICORN_COMPILE_OPTIONS ${UNICORN_COMPILE_OPTIONS} -DUNICORN_HAS_ARM -DUNICORN_HAS_ARMEB)
     set(UNICORN_LINK_LIBRARIES ${UNICORN_LINK_LIBRARIES} arm-softmmu armeb-softmmu)
     set(UNICORN_SAMPLE_FILE ${UNICORN_SAMPLE_FILE} sample_arm sample_armeb)
 endif()