diff --git a/deps/blas.mk b/deps/blas.mk
index c9c745993f51c..2e7b36fe59385 100644
--- a/deps/blas.mk
+++ b/deps/blas.mk
@@ -42,8 +42,8 @@ endif
 ifeq ($(USE_BLAS64), 1)
 OPENBLAS_BUILD_OPTS += INTERFACE64=1 SYMBOLSUFFIX="$(OPENBLAS_SYMBOLSUFFIX)" LIBPREFIX="libopenblas$(OPENBLAS_LIBNAMESUFFIX)"
 ifeq ($(OS), Darwin)
-OPENBLAS_BUILD_OPTS += OBJCONV=$(abspath $(BUILDDIR)/objconv/objconv)
-$(BUILDDIR)/$(OPENBLAS_SRC_DIR)/build-compiled: | $(BUILDDIR)/objconv/build-compiled
+OPENBLAS_BUILD_OPTS += OBJCONV=$(abspath $(build_bindir)/objconv)
+$(BUILDDIR)/$(OPENBLAS_SRC_DIR)/build-compiled: | $(build_prefix)/manifest/objconv
 endif
 endif