diff --git a/src/simulation/elements/GEL.cpp b/src/simulation/elements/GEL.cpp
index 6508492b6..ed1b0eb1b 100644
--- a/src/simulation/elements/GEL.cpp
+++ b/src/simulation/elements/GEL.cpp
@@ -62,7 +62,7 @@ int Element_GEL::update(UPDATE_FUNC_ARGS)
 				if (((r&0xFF)==PT_WATR || (r&0xFF)==PT_DSTW || (r&0xFF)==PT_SLTW || (r&0xFF)==PT_CBNW)
 				    && parts[i].tmp<100)
 				{
-					parts[i].tmp = (100+parts[i].tmp)/2;
+					parts[i].tmp++;
 					sim->kill_part(r>>8);
 				}