diff --git a/rdfunit-core/src/main/resources/org/aksw/rdfunit/autoGeneratorsDSP.ttl b/rdfunit-core/src/main/resources/org/aksw/rdfunit/autoGeneratorsDSP.ttl
index 5373590aa..14d1f0741 100644
--- a/rdfunit-core/src/main/resources/org/aksw/rdfunit/autoGeneratorsDSP.ttl
+++ b/rdfunit-core/src/main/resources/org/aksw/rdfunit/autoGeneratorsDSP.ttl
@@ -233,6 +233,29 @@ rutg:DSPLANG-OC a rut:TestGenerator ;
         rut:annotationValue rlog:ERROR] ;
     .
 
+##########################################
+# dsp:literalConstraint -> dsp:language
+##########################################
+
+# no domain check disallowed
+rutg:DSPLANG-OC a rut:TestGenerator ;
+    dcterms:description """Generate all rdfs:range constrains defined in a schema (when range is wrongly defined)"""@en ;
+    rut:sparqlGenerator """ select distinct ?P1 ('!=' as ?OP) (str(?lang) as ?V1) ?DESCRIPTION where {
+								?s a dsp:DescriptionTemplate .
+                                ?s dsp:statementTemplate/dsp:property ?P1 .
+                                ?s dsp:statementTemplate/dsp:literalConstraint/dsp:language ?lang .
+
+                                #FILTER NOT EXISTS {?s dsp:statementTemplate/dsp:literalConstraint/dsp:language ?lang2 .
+                                #                    FILTER (?lang != ?lang2)}
+
+	                            BIND (concat(str(?P1)," language is different from: ", str(?lang)) AS ?DESCRIPTION)} """ ;
+    rut:basedOnPattern rutp:CHECKLANG ;
+    rut:resultAnnotation [
+        a rut:ResultAnnotation ;
+        rut:annotationProperty rlog:level ;
+        rut:annotationValue rlog:ERROR] ;
+    .
+
+
 
-# TODO dsp:literalConstraint -> dsp:language
 # TODO dsp:literalConstraint -> dsp:syntaxEncodingSchemeOccurrence
\ No newline at end of file
diff --git a/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/dsp_constraints.ttl b/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/dsp_constraints.ttl
index 6619e57c0..24f0e7911 100644
--- a/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/dsp_constraints.ttl
+++ b/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/dsp_constraints.ttl
@@ -126,4 +126,34 @@ exdsp:languageOccurrenceDisallowedTemplateSA # Standalone
 			dsp:languageOccurrence "disallowed"^^dsp:occurrence ;
 		]
 	]
-	.
\ No newline at end of file
+	.
+
+#############3
+# dsp:language
+
+exdsp:languageTemplate
+	a dsp:DescriptionTemplate ;
+	dsp:resourceClass exdsp:languageClass ;
+	dsp:statementTemplate [
+		a dsp:LiteralStatementTemplate ;
+		dsp:property exdsp:languageProp ;
+		dsp:literalConstraint [
+			a dsp:LiteralConstraint ;
+			dsp:language "en"^^xsd:language ;
+		]
+	]
+	.
+
+exdsp:languageTemplateSA # Standalone
+	a dsp:DescriptionTemplate ;
+	dsp:statementTemplate [
+		a dsp:LiteralStatementTemplate ;
+		dsp:property exdsp:languagePropSA ;
+		dsp:literalConstraint [
+			a dsp:LiteralConstraint ;
+			dsp:language "en"^^xsd:language ;
+		]
+	]
+	.
+
+# TODO multiple languages
\ No newline at end of file
diff --git a/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/language_Correct.ttl b/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/language_Correct.ttl
new file mode 100644
index 000000000..ae9dcfcad
--- /dev/null
+++ b/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/language_Correct.ttl
@@ -0,0 +1,14 @@
+@prefix exdsp: <http://example.com/dsp#> .
+
+@prefix xsd:        <http://www.w3.org/2001/XMLSchema#> .
+@prefix rdf:        <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs:       <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix owl:        <http://www.w3.org/2002/07/owl#> .
+
+# Sample correct data for testing
+
+exdsp:correct1 a exdsp:languageClass ;
+ 	exdsp:languageProp "value"@en .
+
+exdsp:correct2 exdsp:languagePropSA "value"@en .
+
diff --git a/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/language_Wrong.ttl b/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/language_Wrong.ttl
new file mode 100644
index 000000000..20190fff3
--- /dev/null
+++ b/rdfunit-validate/src/test/resources/org/aksw/rdfunit/validate/data/dsp/language_Wrong.ttl
@@ -0,0 +1,18 @@
+@prefix exdsp: <http://example.com/dsp#> .
+
+@prefix xsd:        <http://www.w3.org/2001/XMLSchema#> .
+@prefix rdf:        <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs:       <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix owl:        <http://www.w3.org/2002/07/owl#> .
+
+# Sample correct data for testing
+
+# TODO support lang per domain
+#exdsp:correct1 a exdsp:languageClass ;
+# 	exdsp:languageProp "value"@en .
+
+exdsp:wrong2 exdsp:languagePropSA "value"@it . # 1 error
+
+exdsp:wrong3 exdsp:languagePropSA "value"@el . # 1 error
+
+exdsp:wrong4 exdsp:languagePropSA "value" .    # 1 error