diff --git a/folly/debugging/symbolizer/Elf.cpp b/folly/debugging/symbolizer/Elf.cpp
index 3ddcca1089b..bf7c45ff4c8 100644
--- a/folly/debugging/symbolizer/Elf.cpp
+++ b/folly/debugging/symbolizer/Elf.cpp
@@ -40,7 +40,7 @@
 
 #if defined(__ELF_NATIVE_CLASS)
 #define FOLLY_ELF_NATIVE_CLASS __ELF_NATIVE_CLASS
-#elif defined(__FreeBSD__)
+#elif defined(__GNUC__)
 #if defined(__LP64__)
 #define FOLLY_ELF_NATIVE_CLASS 64
 #else