diff --git a/base/Makefile.defs b/base/Makefile.defs
index dbb95daa..1293e5d5 100644
--- a/base/Makefile.defs
+++ b/base/Makefile.defs
@@ -732,8 +732,8 @@ MINIZIP_DIR=$(CURDIR)/$(MINIZIP_BUILD_DIR)/minizip-prefix/src/minizip
 AES_LIB_DIR=$(MINIZIP_DIR)/aes
 AES_LIB=$(MINIZIP_DIR)/libaes.a
 
-MUPDF_BUILD_DIR=$(CURDIR)/$(THIRDPARTY_DIR)/mupdf/build/$(MACHINE)
-MUPDF_DIR=$(MUPDF_BUILD_DIR)/mupdf-prefix/src/mupdf
+MUPDF_BUILD_DIR=$(THIRDPARTY_DIR)/mupdf/build/$(MACHINE)
+MUPDF_DIR=$(CURDIR)/$(MUPDF_BUILD_DIR)/mupdf-prefix/src/mupdf
 MUPDF_LIB_DIR=$(MUPDF_DIR)/build/$(if $(KODEBUG),debug,release)
 MUPDF_LIB_STATIC=$(MUPDF_LIB_DIR)/libmupdf.a
 MUPDF_THIRDPARTY_LIBS=$(MUPDF_LIB_DIR)/libmupdfthird.a \