diff --git a/nq/source/sv_phys.c b/nq/source/sv_phys.c
index f6a9e219f..b42561c35 100644
--- a/nq/source/sv_phys.c
+++ b/nq/source/sv_phys.c
@@ -141,7 +141,7 @@ SV_RunThink (edict_t *ent)
 
 		if (ent->free)
 			return false;
-	} while (1);
+	} while (SVfloat (ent, nextthink) >= sv.time);
 
 	return true;
 }
diff --git a/qw/source/sv_phys.c b/qw/source/sv_phys.c
index f6a9e219f..b42561c35 100644
--- a/qw/source/sv_phys.c
+++ b/qw/source/sv_phys.c
@@ -141,7 +141,7 @@ SV_RunThink (edict_t *ent)
 
 		if (ent->free)
 			return false;
-	} while (1);
+	} while (SVfloat (ent, nextthink) >= sv.time);
 
 	return true;
 }