diff --git a/neo/d3xp/physics/Physics_Player.cpp b/neo/d3xp/physics/Physics_Player.cpp
index 1c80ceb0..82ac8121 100644
--- a/neo/d3xp/physics/Physics_Player.cpp
+++ b/neo/d3xp/physics/Physics_Player.cpp
@@ -1637,7 +1637,7 @@ void idPhysics_Player::Restore( idRestoreGame *savefile ) {
 	 *     Resetting the axis to mat3_identity when restoring a savegame works around that issue
 	 *     and makes sure players can go on playing if their savegame was "corrupted" by saving
 	 *     while idPush was active. See https://github.com/dhewm/dhewm3/issues/328 for more details */
-	if ( clipModel != nullptr ) {
+	if ( clipModel != NULL ) {
 		clipModel->SetPosition( clipModel->GetOrigin(), mat3_identity );
 	}
 }
diff --git a/neo/framework/Licensee.h b/neo/framework/Licensee.h
index d157a848..c1594e34 100644
--- a/neo/framework/Licensee.h
+++ b/neo/framework/Licensee.h
@@ -41,12 +41,12 @@ If you have questions concerning this license or the applicable additional terms
 #define GAME_NAME						"dhewm 3"		// appears on window titles and errors
 #endif
 
-#define ENGINE_VERSION					"dhewm3 1.5.1rc3"	// printed in console
+#define ENGINE_VERSION					"dhewm3 1.5.1"	// printed in console
 
 #ifdef ID_REPRODUCIBLE_BUILD
 	// for reproducible builds we hardcode values that would otherwise come from __DATE__ and __TIME__
 	// NOTE: remember to update esp. the date for (pre-) releases and RCs and the like
-	#define ID__DATE__  "Feb 21 2021"
+	#define ID__DATE__  "Mar 13 2021"
 	#define ID__TIME__  "13:37:42"
 
 #else // not reproducible build, use __DATE__ and __TIME__ macros
diff --git a/neo/game/physics/Physics_Player.cpp b/neo/game/physics/Physics_Player.cpp
index 1c80ceb0..82ac8121 100644
--- a/neo/game/physics/Physics_Player.cpp
+++ b/neo/game/physics/Physics_Player.cpp
@@ -1637,7 +1637,7 @@ void idPhysics_Player::Restore( idRestoreGame *savefile ) {
 	 *     Resetting the axis to mat3_identity when restoring a savegame works around that issue
 	 *     and makes sure players can go on playing if their savegame was "corrupted" by saving
 	 *     while idPush was active. See https://github.com/dhewm/dhewm3/issues/328 for more details */
-	if ( clipModel != nullptr ) {
+	if ( clipModel != NULL ) {
 		clipModel->SetPosition( clipModel->GetOrigin(), mat3_identity );
 	}
 }