diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
index 091071d06416..f4b0a711a62c 100644
--- a/tools/perf/util/symbol-minimal.c
+++ b/tools/perf/util/symbol-minimal.c
@@ -175,7 +175,7 @@ int filename__read_build_id(const char *filename, struct build_id *bid)
 			if (elf32) {
 				hdrs.phdr32[i].p_type = bswap_32(hdrs.phdr32[i].p_type);
 				hdrs.phdr32[i].p_offset = bswap_32(hdrs.phdr32[i].p_offset);
-				hdrs.phdr32[i].p_filesz = bswap_32(hdrs.phdr32[i].p_offset);
+				hdrs.phdr32[i].p_filesz = bswap_32(hdrs.phdr32[i].p_filesz);
 			} else {
 				hdrs.phdr64[i].p_type = bswap_32(hdrs.phdr64[i].p_type);
 				hdrs.phdr64[i].p_offset = bswap_64(hdrs.phdr64[i].p_offset);