diff --git a/engines/lab/POTFILES b/engines/lab/POTFILES
index 29ecb6c2d6b..13517e87a5e 100644
--- a/engines/lab/POTFILES
+++ b/engines/lab/POTFILES
@@ -1 +1,4 @@
+engines/lab/engine.cpp
+engines/lab/processroom.cpp
 engines/lab/savegame.cpp
+engines/lab/speciallocks.cpp
diff --git a/engines/lab/engine.cpp b/engines/lab/engine.cpp
index e8e275d2190..f2913b229e4 100644
--- a/engines/lab/engine.cpp
+++ b/engines/lab/engine.cpp
@@ -30,6 +30,7 @@
 
 #include "common/config-manager.h"
 #include "common/file.h"
+#include "common/translation.h"
 
 #include "gui/message.h"
 
@@ -121,7 +122,7 @@ void LabEngine::handleTrialWarning() {
 			// Wyrmkeep trial version
 			_extraGameFeatures = GF_WINDOWS_TRIAL;
 
-			GUI::MessageDialog trialMessage("This is a trial Windows version of the game. To play the full version, you will need to use the original interpreter and purchase a key from Wyrmkeep");
+			GUI::MessageDialog trialMessage(_("This is a trial Windows version of the game. To play the full version, you will need to use the original interpreter and purchase a key from Wyrmkeep"));
 			trialMessage.runModal();
 		}
 		else {
diff --git a/engines/lab/processroom.cpp b/engines/lab/processroom.cpp
index f6086828c31..c7038021742 100644
--- a/engines/lab/processroom.cpp
+++ b/engines/lab/processroom.cpp
@@ -28,6 +28,7 @@
  *
  */
 
+#include "common/translation.h"
 #include "gui/message.h"
 
 #include "lab/lab.h"
@@ -326,7 +327,7 @@ void LabEngine::doActions(const ActionList &actionList) {
 				// This is a Wyrmkeep Windows trial version, thus stop at this
 				// point, since we can't check for game payment status
 				_graphics->readPict(getPictName(true));
-				GUI::MessageDialog trialMessage("This is the end of the trial version. You can play the full game using the original interpreter from Wyrmkeep");
+				GUI::MessageDialog trialMessage(_("This is the end of the trial version. You can play the full game using the original interpreter from Wyrmkeep"));
 				trialMessage.runModal();
 				break;
 			}
diff --git a/engines/lab/speciallocks.cpp b/engines/lab/speciallocks.cpp
index 3104d9d4dd7..361e0698439 100644
--- a/engines/lab/speciallocks.cpp
+++ b/engines/lab/speciallocks.cpp
@@ -29,6 +29,7 @@
  */
 
 #include "common/file.h"
+#include "common/translation.h"
 
 #include "gui/message.h"
 
@@ -145,7 +146,7 @@ void SpecialLocks::changeTile(uint16 col, uint16 row) {
 
 	if (scrolltype != -1) {
 		if (_vm->getFeatures() & GF_WINDOWS_TRIAL) {
-			GUI::MessageDialog trialMessage("This puzzle is not available in the trial version of the game");
+			GUI::MessageDialog trialMessage(_("This puzzle is not available in the trial version of the game"));
 			trialMessage.runModal();
 			return;
 		}