diff --git a/sdf/1.11/force_torque.sdf b/sdf/1.11/forcetorque.sdf
similarity index 100%
rename from sdf/1.11/force_torque.sdf
rename to sdf/1.11/forcetorque.sdf
diff --git a/sdf/1.11/nav_sat.sdf b/sdf/1.11/navsat.sdf
similarity index 100%
rename from sdf/1.11/nav_sat.sdf
rename to sdf/1.11/navsat.sdf
diff --git a/src/ForceTorque.cc b/src/ForceTorque.cc
index d39f759e8..bd2165587 100644
--- a/src/ForceTorque.cc
+++ b/src/ForceTorque.cc
@@ -371,6 +371,6 @@ sdf::ElementPtr ForceTorque::ToElement(sdf::Errors &_errors) const
 /////////////////////////////////////////////////
 const std::string& ForceTorque::SchemaFile() 
 {
-    static const std::string* kSchemaFile = new std::string("force_torque.sdf");
+    static const std::string* kSchemaFile = new std::string("forcetorque.sdf");
     return *kSchemaFile;
-}
\ No newline at end of file
+}
diff --git a/src/NavSat.cc b/src/NavSat.cc
index e62784266..43585f723 100644
--- a/src/NavSat.cc
+++ b/src/NavSat.cc
@@ -195,6 +195,6 @@ bool NavSat::operator!=(const NavSat &_navsat) const
 /////////////////////////////////////////////////
 const std::string& NavSat::SchemaFile() 
 {
-    static const std::string* kSchemaFile = new std::string("nav_sat.sdf");
+    static const std::string* kSchemaFile = new std::string("navsat.sdf");
     return *kSchemaFile;
-}
\ No newline at end of file
+}