diff --git a/script/include/global_header.inc.sh b/script/include/global_header.inc.sh
index 571967fd..01e1709d 100755
--- a/script/include/global_header.inc.sh
+++ b/script/include/global_header.inc.sh
@@ -9,7 +9,7 @@ cd "$(dirname "${0}")/.."
 
 # Source all function definition files
 
-for function_snippet in ./script/include/*_functions.inc.sh
+for function_snippet in ./script/include/helper_functions.inc.sh
 do
   source "${function_snippet}"
 done