diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 706e7481bdf6..d8c300d9c4a6 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -8486,7 +8486,7 @@ static int kallsyms_cb(unsigned long long sym_addr, char sym_type,
 	struct extern_desc *ext;
 	char *res;
 
-	res = strstr(sym_name, ".llvm.");
+	res = (char *)strstr(sym_name, ".llvm.");
 	if (sym_type == 'd' && res)
 		ext = find_extern_by_name_with_len(obj, sym_name, res - sym_name);
 	else
@@ -11822,7 +11822,7 @@ static int avail_kallsyms_cb(unsigned long long sym_addr, char sym_type,
 		 */
 		char sym_trim[256], *psym_trim = sym_trim, *sym_sfx;
 
-		if (!(sym_sfx = strstr(sym_name, ".llvm.")))
+		if (!(sym_sfx = (char *)strstr(sym_name, ".llvm.")))
 			return 0;
 
 		/* psym_trim vs sym_trim dance is done to avoid pointer vs array
@@ -12410,7 +12410,7 @@ static int resolve_full_path(const char *file, char *result, size_t result_sz)
 
 			if (s[0] == ':')
 				s++;
-			next_path = strchr(s, ':');
+			next_path = (char *)strchr(s, ':');
 			seg_len = next_path ? next_path - s : strlen(s);
 			if (!seg_len)
 				continue;