diff --git a/src/elements/prti.c b/src/elements/prti.c
index 57830abfd..8d8f68540 100644
--- a/src/elements/prti.c
+++ b/src/elements/prti.c
@@ -31,6 +31,9 @@ int update_PRTI(UPDATE_FUNC_ARGS) {
 						continue;
 				}
 
+				if ((r&0xFF)==PT_STKM || (r&0xFF)==PT_STKM2 || (r&0xFF)==PT_FIGH)
+					continue;// Handling these is a bit more complicated, and is done in STKM_interact()
+
 				if ((r&0xFF) == PT_SOAP)
 					detach(r>>8);
 
diff --git a/src/elements/prto.c b/src/elements/prto.c
index dcbc53cc0..1e7cde0ab 100644
--- a/src/elements/prto.c
+++ b/src/elements/prto.c
@@ -47,8 +47,31 @@ int update_PRTO(UPDATE_FUNC_ARGS) {
 								player.spwn = 0;
 							if (portalp[parts[i].tmp][randomness][nnx].type==PT_STKM2)
 								player2.spwn = 0;
+							if (portalp[parts[i].tmp][randomness][nnx].type==PT_FIGH)
+							{
+								fighcount--;
+								fighters[(unsigned char)portalp[parts[i].tmp][randomness][nnx].tmp].spwn = 0;
+							}
 							np = create_part(-1,x+rx,y+ry,portalp[parts[i].tmp][randomness][nnx].type);
-							if (np<0) continue;
+							if (np<0)
+							{
+								if (portalp[parts[i].tmp][randomness][nnx].type==PT_STKM)
+									player.spwn = 1;
+								if (portalp[parts[i].tmp][randomness][nnx].type==PT_STKM2)
+									player2.spwn = 1;
+								if (portalp[parts[i].tmp][randomness][nnx].type==PT_FIGH)
+								{
+									fighcount++;
+									fighters[(unsigned char)portalp[parts[i].tmp][randomness][nnx].tmp].spwn = 1;
+								}
+								continue;
+							}
+							if (parts[np].type==PT_FIGH)
+							{
+								// Release the fighters[] element allocated by create_part, the one reserved when the fighter went into the portal will be used
+								fighters[(unsigned char)parts[np].tmp].spwn = 0;
+								fighters[(unsigned char)portalp[parts[i].tmp][randomness][nnx].tmp].spwn = 1;
+							}
 							parts[np] = portalp[parts[i].tmp][randomness][nnx];
 							parts[np].x = x+rx;
 							parts[np].y = y+ry;
diff --git a/src/elements/stkm.c b/src/elements/stkm.c
index 08cb1baf2..d8286d58e 100644
--- a/src/elements/stkm.c
+++ b/src/elements/stkm.c
@@ -451,7 +451,10 @@ void STKM_interact(playerst* playerp, int i, int x, int y)
 				{
 					portalp[parts[r>>8].tmp][count][nnx] = parts[i];
 					kill_part(i);
-					playerp->spwn = 1;//stop SPWN creating a new STKM while he is in portal
+					//stop new STKM/fighters being created to replace the ones in the portal:
+					playerp->spwn = 1;
+					if (portalp[parts[r>>8].tmp][count][nnx].type==PT_FIGH)
+						fighcount++;
 					break;
 				}
 		}