diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 24736b0bbb30..70a3e771c7c0 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -19,6 +19,10 @@ detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
 HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
 
+# This is required because the kernel is built with this and some of the code
+# borrowed from kernel headers depends on it, e.g. put_unaligned_*().
+CFLAGS += -fno-strict-aliasing
+
 # Enabled Wthread-safety analysis for clang builds.
 ifeq ($(CC_NO_CLANG), 0)
   CFLAGS += -Wthread-safety