diff --git a/src/lib/update/revolt.c b/src/lib/update/revolt.c
index f8aef8dc..dfc9029e 100644
--- a/src/lib/update/revolt.c
+++ b/src/lib/update/revolt.c
@@ -164,6 +164,8 @@ guerrilla(struct sctstr *sp)
     while (NULL != (lp = nxtitemp(&ni))) {
 	if (lp->lnd_own != sp->sct_own)
 	    continue;
+	if (lp->lnd_ship >= 0 || lp->lnd_land >= 0)
+	    continue;
 
 	mil += lp->lnd_item[I_MILIT];
 
@@ -441,6 +443,8 @@ take_casualties(struct sctstr *sp, int mc)
     while (NULL != (lp = nxtitemp(&ni))) {
 	if (lp->lnd_own != sp->sct_own)
 	    continue;
+	if (lp->lnd_ship >= 0 || lp->lnd_land >= 0)
+	    continue;
 	nunits++;
 	if (lchr[(int)lp->lnd_type].l_flags & L_SECURITY)
 	    nunits++;
@@ -456,6 +460,8 @@ take_casualties(struct sctstr *sp, int mc)
     while (NULL != (lp = nxtitemp(&ni))) {
 	if (lp->lnd_own != sp->sct_own)
 	    continue;
+	if (lp->lnd_ship >= 0 || lp->lnd_land >= 0)
+	    continue;
 	if (!(lchr[(int)lp->lnd_type].l_flags & L_SECURITY))
 	    continue;
 
@@ -483,6 +489,8 @@ take_casualties(struct sctstr *sp, int mc)
     while (NULL != (lp = nxtitemp(&ni))) {
 	if (lp->lnd_own != sp->sct_own)
 	    continue;
+	if (lp->lnd_ship >= 0 || lp->lnd_land >= 0)
+	    continue;
 	if (lchr[(int)lp->lnd_type].l_flags & L_SECURITY)
 	    continue;
 
@@ -511,6 +519,8 @@ take_casualties(struct sctstr *sp, int mc)
     while (NULL != (lp = nxtitemp(&ni))) {
 	if (lp->lnd_own != sp->sct_own)
 	    continue;
+	if (lp->lnd_ship >= 0 || lp->lnd_land >= 0)
+	    continue;
 	if (lchr[(int)lp->lnd_type].l_flags & L_SECURITY)
 	    continue;
 
@@ -531,6 +541,8 @@ take_casualties(struct sctstr *sp, int mc)
     while (NULL != (lp = nxtitemp(&ni))) {
 	if (lp->lnd_own != sp->sct_own)
 	    continue;
+	if (lp->lnd_ship >= 0 || lp->lnd_land >= 0)
+	    continue;
 	if (!(lchr[(int)lp->lnd_type].l_flags & L_SECURITY))
 	    continue;