diff --git a/unitex/__init__.py b/unitex/__init__.py
index e11948c6fab7db153091b6b11bebe9c4fb5f0d60..879e3790f0f6146c8c2eea4f72fc3e7ce540eb3b 100644
--- a/unitex/__init__.py
+++ b/unitex/__init__.py
@@ -66,7 +66,7 @@ class UnitexConstants(object):
 
     OUTPUT_MODE_MERGE = "merge"
     OUTPUT_MODE_IGNORE = "ignore"
-    OUTPUT_MODE_RELACE = "replace"
+    OUTPUT_MODE_REPLACE = "replace"
 
     ON_ERROR_EXIT = "exit"
     ON_ERROR_IGNORE = "ignore"
diff --git a/unitex/config.py b/unitex/config.py
index d4112ec4e8846be95820f66554c1911c72fbaf0f..4dbd6249c7e7b3b53c6ed1431d9274504f968924 100644
--- a/unitex/config.py
+++ b/unitex/config.py
@@ -393,7 +393,7 @@ class LocateOptions(Options):
         output_mode = options.get("output_mode", UnitexConstants.OUTPUT_MODE_IGNORE)
         if output_mode not in (UnitexConstants.OUTPUT_MODE_IGNORE,
                                UnitexConstants.OUTPUT_MODE_MERGE,
-                               UnitexConstants.OUTPUT_MODE_RELACE):
+                               UnitexConstants.OUTPUT_MODE_REPLACE):
             raise UnitexException("[LOCATE] Wrong value for the 'output_mode' option. UnitexConstants.OUTPUT_MODE_X required.")
         self["output_mode"] = output_mode
 
diff --git a/unitex/processor.py b/unitex/processor.py
index 73ac8a7f8541c3bb646fca718762e5bf8a828b96..1256a8fdfcea2835253890b996276a5abcb14aec 100644
--- a/unitex/processor.py
+++ b/unitex/processor.py
@@ -235,7 +235,7 @@ class UnitexProcessor(object):
 
         if output_mode not in (UnitexConstants.OUTPUT_MODE_IGNORE,
                                UnitexConstants.OUTPUT_MODE_MERGE,
-                               UnitexConstants.OUTPUT_MODE_RELACE):
+                               UnitexConstants.OUTPUT_MODE_REPLACE):
             raise UnitexException("Wrong value for the 'output_mode' option. UnitexConstants.OUTPUT_MODE_X required.")
         kwargs["output_mode"] = output_mode
 
diff --git a/unitex/tools.py b/unitex/tools.py
index d753a7c738c1323179dedc5a83b4651af83e3ab6..0187ed0b9be180ccc75cea60b17cb21c3a75ec2e 100644
--- a/unitex/tools.py
+++ b/unitex/tools.py
@@ -904,7 +904,7 @@ def locate(grammar, text, alphabet, **kwargs):
         command.append("--ignore")
     elif options["output_mode"] == UnitexConstants.OUTPUT_MODE_MERGE:
         command.append("--merge")
-    elif options["output_mode"] == UnitexConstants.OUTPUT_MODE_RELACE:
+    elif options["output_mode"] == UnitexConstants.OUTPUT_MODE_REPLACE:
         command.append("--replace")
 
     if options["protect_dic_chars"] is True: