diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 06973dd6..7cdbd7ca 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -963,6 +963,13 @@ Scheme:
   - .sps
   - .ss
 
+Scilab:
+  type: programming
+  primary_extension: .sci
+  extensions:
+  - .sce
+  - .tst
+
 Self:
   type: programming
   lexer: Text only
diff --git a/test/fixtures/scilab_function.sci b/test/fixtures/scilab_function.sci
new file mode 100644
index 00000000..7c95174e
--- /dev/null
+++ b/test/fixtures/scilab_function.sci
@@ -0,0 +1,14 @@
+// A comment with whites    and tabulations
+// Email: <scilab.support@scilab.org>
+// Scilab editor: http://www.scilab.org/
+function [a, b] = myfunction(d, e, f)
+	a = 2.71828 + %pi + f($, :);
+	b = cos(a) + cosh(a);
+	if d == e then
+		b = 10 - e.field;
+	else
+		b = "		test     " + home
+		return
+	end
+	myvar = 1.23e-45;
+endfunction
diff --git a/test/fixtures/scilab_script.sce b/test/fixtures/scilab_script.sce
new file mode 100644
index 00000000..efa29227
--- /dev/null
+++ b/test/fixtures/scilab_script.sce
@@ -0,0 +1,2 @@
+disp(%pi);
+
diff --git a/test/fixtures/scilab_test.tst b/test/fixtures/scilab_test.tst
new file mode 100644
index 00000000..c48521f4
--- /dev/null
+++ b/test/fixtures/scilab_test.tst
@@ -0,0 +1,3 @@
+assert_checkequal(1+1,2);
+assert_checkfalse(%pi==%e);
+
diff --git a/test/test_blob.rb b/test/test_blob.rb
index 2ee46e1a..53c9301d 100644
--- a/test/test_blob.rb
+++ b/test/test_blob.rb
@@ -317,6 +317,11 @@ class TestBlob < Test::Unit::TestCase
     assert_equal Language['Standard ML'], blob("Foo.sig").language
     assert_equal Language['Standard ML'], blob("Foo.sml").language
 
+    # Scilab
+    assert_equal Language['Scilab'],       blob("scilab_script.sce").language
+    assert_equal Language['Scilab'],       blob("scilab_function.sci").language
+    assert_equal Language['Scilab'],       blob("scilab_test.tst").language
+
     # Config files
     assert_equal Language['INI'],   blob(".gitconfig").language
     assert_equal Language['Shell'], blob(".bash_profile").language