diff --git a/src/libbpf.c b/src/libbpf.c
index fd88261..2922579 100644
--- a/src/libbpf.c
+++ b/src/libbpf.c
@@ -6919,7 +6919,7 @@ invalid_prog:
 
 #define BTF_TRACE_PREFIX "btf_trace_"
 #define BTF_LSM_PREFIX "bpf_lsm_"
-#define BTF_ITER_PREFIX "__bpf_iter__"
+#define BTF_ITER_PREFIX "bpf_iter_"
 #define BTF_MAX_NAME_SIZE 128
 
 static int find_btf_by_prefix_kind(const struct btf *btf, const char *prefix,