diff --git a/module/residential/house_e.cpp b/module/residential/house_e.cpp
index c9ee6d8b6..622702675 100644
--- a/module/residential/house_e.cpp
+++ b/module/residential/house_e.cpp
@@ -1174,7 +1174,7 @@ void house_e::set_thermal_integrity(){
 		case TI_NORMAL:
 			if(Rroof <= 0.0) Rroof = 30;
 			if(Rwall <= 0.0) Rwall = 11;
-			if(Rfloor <= 0.0) Rfloor = 19;
+			if(Rfloor <= 0.0) Rfloor = 11;
 			if(Rdoors <= 0.0) Rdoors = 3;
 			if(Rwindows <= 0.0) Rwindows = 1/0.6;
 			if(airchange_per_hour < 0.0) airchange_per_hour = 1.0;
@@ -1182,7 +1182,7 @@ void house_e::set_thermal_integrity(){
 		case TI_ABOVE_NORMAL:
 			if(Rroof <= 0.0) Rroof = 30;
 			if(Rwall <= 0.0) Rwall = 19;
-			if(Rfloor <= 0.0) Rfloor = 11;
+			if(Rfloor <= 0.0) Rfloor = 19;
 			if(Rdoors <= 0.0) Rdoors = 3;
 			if(Rwindows <= 0.0) Rwindows = 1/0.6;
 			if(airchange_per_hour < 0.0) airchange_per_hour = 1.0;