--- a/weather.tcl	Sat Jul 11 22:40:59 2020 +0300
+++ b/weather.tcl	Tue Jul 21 18:26:28 2020 +0300
@@ -80,7 +80,7 @@
     }
     close $ufile
   } else {
-    weather_log "Could not open data file: $uerrmsg"
+    weather_log "Could not open data file: ${uerrmsg}"
   }
 }
 
@@ -94,7 +94,7 @@
     }
     close $ufile
   } else {
-    weather_log "Could not open data file: $uerrmsg"
+    weather_log "Could not open data file: ${uerrmsg}"
   }
 }
 
@@ -158,7 +158,7 @@
       set weather_data(w_max) 0
     }
   } else {
-    weather_log "Could not open data file: $uerrmsg"
+    weather_log "Could not open data file: ${uerrmsg}"
   }
 }