diff --git a/submodules/build/builders.d/polarssl.mk b/submodules/build/builders.d/polarssl.mk
index a3e476a4e..3aabf5fc5 100644
--- a/submodules/build/builders.d/polarssl.mk
+++ b/submodules/build/builders.d/polarssl.mk
@@ -11,17 +11,16 @@ $(BUILD_DIR)/$(polarssl_dir)/Makefile: $(SRC_DIR)/$(polarssl_dir)/configure
 	mkdir -p $(BUILD_DIR)/$(polarssl_dir)
 	cd $(BUILD_DIR)/$(polarssl_dir) \
 	&& PKG_CONFIG_LIBDIR=$(prefix)/lib/pkgconfig CONFIG_SITE=$(SRC_DIR)/build/$(config_site) \
-	$(SRC_DIR)/$(polarssl_dir)/configure --prefix=$(prefix) --host=$(host) ${library_mode}  
+	$(SRC_DIR)/$(polarssl_dir)/configure --prefix=$(prefix) --host=$(host) ${library_mode}
 
 build-polarssl: $(BUILD_DIR)/$(polarssl_dir)/Makefile
 	cd $(BUILD_DIR)/${polarssl_dir} && \
-	host_alias=$(host) && . $(SRC_DIR)/build/$(config_site) && \
-	make && make install
+	host_alias=$(host) PKG_CONFIG_LIBDIR=$(prefix)/lib/pkgconfig CONFIG_SITE=$(SRC_DIR)/build/$(config_site) make && make install
 
 clean-polarssl:
 	-cd $(BUILD_DIR)/$(polarssl_dir) && make clean
 
-veryclean-polarssl: 
+veryclean-polarssl:
 	-rm -rf $(BUILD_DIR)/$(polarssl_dir)
 
 clean-makefile-polarssl: veryclean-polarssl