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-rw-r--r--core/makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/core/makefile b/core/makefile
index 2a1532543..3af3a5d57 100644
--- a/core/makefile
+++ b/core/makefile
@@ -271,7 +271,7 @@ ECHO := echo -e
# make upper
define MAKE_UPPER
-${shell echo $(1) | $(SEDX) "s/(.*)/\U\1/g"}
+${shell echo $(1) | $(SEDX) "s/\(.*\)/\U\1/g"}
endef
# config base