diff --git a/arduino/cores/packagemanager/package_manager.go b/arduino/cores/packagemanager/package_manager.go
index c91597e55be..5f8bd86edec 100644
--- a/arduino/cores/packagemanager/package_manager.go
+++ b/arduino/cores/packagemanager/package_manager.go
@@ -186,7 +186,7 @@ func (pm *PackageManager) ResolveFQBN(fqbn *cores.FQBN) (
 	board := platformRelease.Boards[fqbn.BoardID]
 	if board == nil {
 		return targetPackage, platformRelease, nil, nil, nil,
-			fmt.Errorf(tr("board %s:%s not found"), platformRelease, fqbn.BoardID)
+			fmt.Errorf(tr("board %s not found"), fqbn.StringWithoutConfig())
 	}
 
 	buildProperties, err := board.GetBuildProperties(fqbn.Configs)
diff --git a/i18n/data/en.po b/i18n/data/en.po
index c2c77175b40..d5cf7925289 100644
--- a/i18n/data/en.po
+++ b/i18n/data/en.po
@@ -2444,8 +2444,8 @@ msgid "binary file not found in %s"
 msgstr "binary file not found in %s"
 
 #: arduino/cores/packagemanager/package_manager.go:189
-msgid "board %s:%s not found"
-msgstr "board %s:%s not found"
+msgid "board %s not found"
+msgstr "board %s not found"
 
 #: commands/board/list.go:41
 msgid "board not found"
diff --git a/test/test_compile.py b/test/test_compile.py
index 5369a0fe185..bdf6be7edfc 100644
--- a/test/test_compile.py
+++ b/test/test_compile.py
@@ -865,7 +865,7 @@ def test_compile_using_boards_local_txt(run_command, data_dir):
     # Verifies compilation fails because board doesn't exist
     res = run_command(["compile", "--clean", "-b", fqbn, sketch_path])
     assert res.failed
-    assert "Error during build: Error resolving FQBN: board arduino:avr@1.8.3:nessuno not found" in res.stderr
+    assert "Error during build: Error resolving FQBN: board arduino:avr:nessuno not found" in res.stderr
 
     # Use custom boards.local.txt with made arduino:avr:nessuno board
     boards_local_txt = Path(data_dir, "packages", "arduino", "hardware", "avr", "1.8.3", "boards.local.txt")
@@ -943,8 +943,7 @@ def test_compile_manually_installed_platform_using_boards_local_txt(run_command,
     res = run_command(["compile", "--clean", "-b", fqbn, sketch_path])
     assert res.failed
     assert (
-        "Error during build: Error resolving FQBN: board arduino-beta-development:avr@1.8.3:nessuno not found"
-        in res.stderr
+        "Error during build: Error resolving FQBN: board arduino-beta-development:avr:nessuno not found" in res.stderr
     )
 
     # Use custom boards.local.txt with made arduino:avr:nessuno board