diff --git a/codeCore/src/prog8/code/core/Position.kt b/codeCore/src/prog8/code/core/Position.kt
index 90d33fd81..b0c70a40b 100644
--- a/codeCore/src/prog8/code/core/Position.kt
+++ b/codeCore/src/prog8/code/core/Position.kt
@@ -1,5 +1,6 @@
 package prog8.code.core
 
+import prog8.code.core.SourceCode.Companion.libraryFilePrefix
 import java.nio.file.InvalidPathException
 import kotlin.io.path.Path
 import kotlin.io.path.absolute
@@ -7,9 +8,10 @@ import kotlin.io.path.absolute
 data class Position(val file: String, val line: Int, val startCol: Int, val endCol: Int) {
     override fun toString(): String = "[$file: line $line col ${startCol+1}-${endCol+1}]"
     fun toClickableStr(): String {
-        if(this===DUMMY) {
+        if(this===DUMMY)
             return ""
-        }
+        if(file.startsWith(libraryFilePrefix))
+            return "$file:$line:$startCol:"
         return try {
             val path = Path(file).absolute().normalize().toString()
             "file://$path:$line:$startCol:"