diff --git a/src/libbpf_internal.h b/src/libbpf_internal.h
index e4d0566..fbaf683 100644
--- a/src/libbpf_internal.h
+++ b/src/libbpf_internal.h
@@ -20,8 +20,8 @@
 /* make sure libbpf doesn't use kernel-only integer typedefs */
 #pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
 
-/* prevent accidental re-addition of reallocarray() */
-#pragma GCC poison reallocarray
+/* prevent accidental re-addition of reallocarray()/strlcpy() */
+#pragma GCC poison reallocarray strlcpy
 
 #include "libbpf.h"
 #include "btf.h"