diff --git a/make/smart-selection.mk b/make/smart-selection.mk
index ec6e3a10..23c425e1 100644
--- a/make/smart-selection.mk
+++ b/make/smart-selection.mk
@@ -1,8 +1,8 @@
 # === variable definitions
 MOD_SCRIPT_DIR          = $(MODDIR)/devutil/scripts
-GET_OS_SH               = $(MOD_SCRIPT_DIR)/get_os.sh
-GENERATE_SELECTION      = $(MOD_SCRIPT_DIR)/generate_selection.sh
-UPLOAD_SH               = $(MOD_SCRIPT_DIR)/upload.sh
+GET_OS_SH               = sh $(MOD_SCRIPT_DIR)/get_os.sh
+GENERATE_SELECTION      = sh $(MOD_SCRIPT_DIR)/generate_selection.sh
+UPLOAD_SH               = sh $(MOD_SCRIPT_DIR)/upload.sh
 
 DISTRIBUTOR             = $(shell $(GET_OS_SH) | cut -d- -f1)
 DISTRO_RELEASE          = $(shell $(GET_OS_SH) | cut -d- -f2-)