diff --git a/compiler/msgs.nim b/compiler/msgs.nim
index 7e6b67cbec1ec..18c196085a45e 100644
--- a/compiler/msgs.nim
+++ b/compiler/msgs.nim
@@ -208,7 +208,7 @@ proc toFileLine*(conf: ConfigRef; info: TLineInfo): string {.inline.} =
   result = toFilename(conf, info) & ":" & $info.line
 
 proc toFileLineCol*(conf: ConfigRef; info: TLineInfo): string {.inline.} =
-  result = toFilename(conf, info) & "(" & $info.line & ", " & $info.col & ")"
+  result = toFilename(conf, info) & "(" & $info.line & ", " & $(info.col+1) & ")"
 
 proc `$`*(conf: ConfigRef; info: TLineInfo): string = toFileLineCol(conf, info)
 
diff --git a/tests/discard/tneedsdiscard.nim b/tests/discard/tneedsdiscard.nim
index 7d2997b3fff62..d9483947f4dda 100644
--- a/tests/discard/tneedsdiscard.nim
+++ b/tests/discard/tneedsdiscard.nim
@@ -1,5 +1,5 @@
 discard """
-  errormsg: '''expression 'open(f, "arg.txt", fmRead, -1)' is of type 'bool' and has to be discarded; start of expression here: tneedsdiscard.nim(7, 2)'''
+  errormsg: '''expression 'open(f, "arg.txt", fmRead, -1)' is of type 'bool' and has to be discarded; start of expression here: tneedsdiscard.nim(7, 3)'''
   line: 10
 """
 
diff --git a/tests/method/tmapper.nim b/tests/method/tmapper.nim
index a5d03f700360e..9162d0eec6f54 100644
--- a/tests/method/tmapper.nim
+++ b/tests/method/tmapper.nim
@@ -1,5 +1,5 @@
 discard """
-  errormsg: "invalid declaration order; cannot attach 'step' to method defined here: tmapper.nim(22, 7)"
+  errormsg: "invalid declaration order; cannot attach 'step' to method defined here: tmapper.nim(22, 8)"
   line: 25
 """
 
diff --git a/tests/modules/tmismatchedvisibility.nim b/tests/modules/tmismatchedvisibility.nim
index 4bf244807e345..fd582b571e055 100644
--- a/tests/modules/tmismatchedvisibility.nim
+++ b/tests/modules/tmismatchedvisibility.nim
@@ -1,5 +1,5 @@
 discard """
-  errormsg: "public implementation 'tmismatchedvisibility.foo(a: int)[declared in tmismatchedvisibility.nim(6, 5)]' has non-public forward declaration in "
+  errormsg: "public implementation 'tmismatchedvisibility.foo(a: int)[declared in tmismatchedvisibility.nim(6, 6)]' has non-public forward declaration in "
   line: 8
 """