diff --git a/doc/fuzzing.md b/doc/fuzzing.md
index 3dc6be8b860..50e9251b8d4 100644
--- a/doc/fuzzing.md
+++ b/doc/fuzzing.md
@@ -77,13 +77,13 @@ will print an error and suggestion if so.
 
 ## libFuzzer
 
-A recent version of `clang`, the address sanitizer and libFuzzer is needed (all
+A recent version of `clang`, the address/undefined sanitizers (ASan/UBSan) and libFuzzer is needed (all
 found in the `compiler-rt` runtime libraries package).
 
 To build all fuzz targets with libFuzzer, run
 
 ```
-./configure --disable-ccache --enable-fuzz --with-sanitizers=fuzzer,address CC=clang CXX=clang++
+./configure --disable-ccache --enable-fuzz --with-sanitizers=fuzzer,address,undefined CC=clang CXX=clang++
 make
 ```