diff --git a/src/evalfunc.c b/src/evalfunc.c
index 2e06c20..bb32571 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -11639,6 +11639,7 @@
 		    break;
 		}
 		str += len;
+		capcol -= len;
 	    }
 	}
     }