diff --git a/lib/pure/parsecfg.nim b/lib/pure/parsecfg.nim
index 15868c2196b81..d87078ab9ff47 100644
--- a/lib/pure/parsecfg.nim
+++ b/lib/pure/parsecfg.nim
@@ -151,7 +151,7 @@ type
 # implementation
 
 const
-  SymChars = {'a'..'z', 'A'..'Z', '0'..'9', '_', '\x80'..'\xFF', '.', '/', '\\', '-'}
+  SymChars = {'a'..'z', 'A'..'Z', '0'..'9', '_', ' ', '\x80'..'\xFF', '.', '/', '\\', '-'}
 
 proc rawGetTok(c: var CfgParser, tok: var Token) {.gcsafe.}