diff --git a/source/qb64.bas b/source/qb64.bas
index 7f5d67751..4e0cb9b51 100644
--- a/source/qb64.bas
+++ b/source/qb64.bas
@@ -1550,7 +1550,7 @@ IF idemode = 0 THEN
     qberrorhappened1:
     IF qberrorhappened = 1 THEN
         PRINT
-        PRINT "Cannot locate source file:" + sourcefile$
+        PRINT "Cannot locate source file: " + sourcefile$
         IF ConsoleMode THEN SYSTEM 1
         END 1
     ELSE