diff --git a/mk/spksrc.common.mk b/mk/spksrc.common.mk
index 0c62b8043ae..d23bfe84a41 100644
--- a/mk/spksrc.common.mk
+++ b/mk/spksrc.common.mk
@@ -17,8 +17,8 @@ RUN = cd $(WORK_DIR)/$(PKG_DIR) && env $(ENV)
 PIP ?= pip
 # Why ask for the same thing twice? Always cache downloads
 PIP_CACHE_OPT ?= --cache-dir $(PIP_DIR)
-PIP_WHEEL_ARGS = wheel --no-binary :all: $(PIP_CACHE_OPT) --no-deps --wheel-dir $(WHEELHOUSE)
-PIP_WHEEL = $(PIP) $(PIP_WHEEL_ARGS)
+PIP_ARGS = --no-binary :all: $(PIP_CACHE_OPT) --no-deps
+PIP_WHEEL = $(PIP) wheel $(PIP_ARGS) --global-option="build_ext" --global-option="-j$(NCPUS)" --wheel-dir $(WHEELHOUSE)
 PIP_DOWNLOAD = $(PIP) download $(PIP_ARGS) --dest $(BASE_DISTRIB_DIR)
 
 # Available languages
diff --git a/mk/spksrc.wheel.mk b/mk/spksrc.wheel.mk
index 0faf99c6fdd..ac73ae8d367 100644
--- a/mk/spksrc.wheel.mk
+++ b/mk/spksrc.wheel.mk
@@ -76,7 +76,7 @@ build_wheel_target: $(PRE_WHEEL_TARGET)
 			if [ -z "$(CROSSENV)" ]; then \
 				$(RUN) _PYTHON_HOST_PLATFORM="$(TC_TARGET)" CFLAGS="$(CFLAGS) -I$(STAGING_INSTALL_PREFIX)/$(PYTHON_INC_DIR) $(WHEELS_CFLAGS)" LDFLAGS="$(LDFLAGS) $(WHEELS_LDFLAGS)" $(PIP_WHEEL) --requirement $(WHEELHOUSE)/$(WHEELS_CROSS_COMPILE) ; \
 			else \
-				. $(CROSSENV) && $(RUN) _PYTHON_HOST_PLATFORM="$(TC_TARGET)" CFLAGS="$(CFLAGS) -I$(STAGING_INSTALL_PREFIX)/$(PYTHON_INC_DIR) $(WHEELS_CFLAGS)" LDFLAGS="$(LDFLAGS) $(WHEELS_LDFLAGS)" pip $(PIP_WHEEL_ARGS) --no-build-isolation --requirement $(WHEELHOUSE)/$(WHEELS_CROSS_COMPILE) ; \
+				. $(CROSSENV) && $(RUN) _PYTHON_HOST_PLATFORM="$(TC_TARGET)" CFLAGS="$(CFLAGS) -I$(STAGING_INSTALL_PREFIX)/$(PYTHON_INC_DIR) $(WHEELS_CFLAGS)" LDFLAGS="$(LDFLAGS) $(WHEELS_LDFLAGS)" $(PIP_WHEEL) --no-build-isolation --requirement $(WHEELHOUSE)/$(WHEELS_CROSS_COMPILE) ; \
 			fi ; \
 		fi ; \
 		if [ -f "$(WHEELHOUSE)/$(WHEELS_PURE_PYTHON)" ]; then \