diff --git a/CaseStudies/glass/Implementations/Python_Simplified/defaultInput.txt b/CaseStudies/glass/Implementations/Python_Simplified/defaultInput.txt
index 33a5c279..29a34a2e 100644
--- a/CaseStudies/glass/Implementations/Python_Simplified/defaultInput.txt
+++ b/CaseStudies/glass/Implementations/Python_Simplified/defaultInput.txt
@@ -1,7 +1,7 @@
 #DIMENSION( length , breadth , thickness in mm)
 1600
 1500
-10
+10.0
 #GLASS TYPE ( AN , HS , FT )
 HS
 #WEIGHT OF CHARGE (in kg)