diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 0f8fa52828f2..3f566c124a28 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -290,7 +290,7 @@ ksym_dep_filter =                                                            \
 	    $(CPP) $(call flags_nodeps,a_flags) -D__KSYM_DEPS__ $< ;;        \
 	  boot*|build*|cpp_its_S|*cpp_lds_S|dtc|host*|vdso*) : ;;            \
 	  *) echo "Don't know how to preprocess $(1)" >&2; false ;;          \
-	esac | fgrep '=== __KSYM_' | tr ";" "\n" | sed -n 's/^.*=== __KSYM_\(.*\) ===.*$$/_\1/p'
+	esac | grep -F '=== __KSYM_' | tr ";" "\n" | sed -n 's/^.*=== __KSYM_\(.*\) ===.*$$/_\1/p'
 
 cmd_and_fixdep =                                                             \
 	$(echo-cmd) $(cmd_$(1));                                             \