diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index ebce00bc3d..7a9f23e685 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -246,6 +246,9 @@ ifneq ($(filter fuzzer,$(my_sanitize)),)
   my_sanitize := $(filter-out cfi,$(my_sanitize))
   my_cflags += -fno-lto
   my_ldflags += -fno-lto
+
+  # TODO(b/133876586): Disable experimental pass manager for fuzzer builds.
+  my_cflags += -fno-experimental-new-pass-manager
 endif
 
 ifneq ($(filter integer_overflow,$(my_sanitize)),)