diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 1fcbb95156b..c22cdb21899 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -11155,24 +11155,22 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
 		}
 
 	/* put compatibility code here until next subversion bump */
-	{
+	if (main->versionfile < 255 || (main->versionfile == 255 && main->subversionfile < 1)) {
 		Brush *br;
+		ParticleSettings *part;
+		bScreen *sc;
+		Object *ob;
+
 		for(br= main->brush.first; br; br= br->id.next) {
 			if(br->ob_mode==0)
 				br->ob_mode= OB_MODE_ALL_PAINT;
 		}
-		
-	}
-	{
-		ParticleSettings *part;
+
 		for(part = main->particle.first; part; part = part->id.next) {
 			if(part->boids)
 				part->boids->pitch = 1.0f;
 		}
-	}
 
-	{
-		bScreen *sc;
 		for (sc= main->screen.first; sc; sc= sc->id.next) {
 			ScrArea *sa;
 			for (sa= sc->areabase.first; sa; sa= sa->next) {
@@ -11198,8 +11196,22 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
 				}
 			}
 		}
+
+		/* fix rotation actuators for objects so they use real angles (radians)
+		 * since before blender went opensource this strange scalar was used: (1 / 0.02) * 2 * math.pi/360 */
+		for(ob= main->object.first; ob; ob= ob->id.next) {
+			bActuator *act= ob->actuators.first;
+			while(act) {
+				if (act->type==ACT_OBJECT) {
+					/* multiply velocity with 50 in old files */
+					bObjectActuator *oa= act->data;
+					mul_v3_fl(oa->drot, 0.8726646259971648f);
+				}
+				act= act->next;
+			}
+		}
 	}
-	
+
 	/* WATCH IT!!!: pointers from libdata have not been converted yet here! */
 	/* WATCH IT 2!: Userdef struct init has to be in editors/interface/resources.c! */
 
diff --git a/source/blender/makesdna/DNA_actuator_types.h b/source/blender/makesdna/DNA_actuator_types.h
index 76bb9a5f96f..077c62943e0 100644
--- a/source/blender/makesdna/DNA_actuator_types.h
+++ b/source/blender/makesdna/DNA_actuator_types.h
@@ -112,7 +112,7 @@ typedef struct bObjectActuator {
 	short damping;
 	float forceloc[3], forcerot[3];
 	float pad[3], pad1[3];
-	float dloc[3], drot[3];
+	float dloc[3], drot[3]; /* angle in radians */
 	float linearvelocity[3], angularvelocity[3];
 	struct Object *reference;
 } bObjectActuator;
diff --git a/source/gameengine/Converter/KX_ConvertActuators.cpp b/source/gameengine/Converter/KX_ConvertActuators.cpp
index d9d3d7c185d..2bd992037c5 100644
--- a/source/gameengine/Converter/KX_ConvertActuators.cpp
+++ b/source/gameengine/Converter/KX_ConvertActuators.cpp
@@ -32,8 +32,6 @@
 #pragma warning (disable : 4786) 
 #endif //WIN32
 
-#define BLENDER_HACK_DTIME 0.02
-
 #include "MEM_guardedalloc.h"
 
 #include "KX_BlenderSceneConverter.h"
@@ -151,13 +149,6 @@ void BL_ConvertActuators(char* maggiename,
 					KX_BLENDERTRUNC(obact->angularvelocity[2]));
 				short damping = obact->damping;
 				
-				drotvec /=		BLENDER_HACK_DTIME;
-				//drotvec /=		BLENDER_HACK_DTIME;
-				drotvec *= MT_2_PI/360.0;
-				//dlocvec /= BLENDER_HACK_DTIME;
-				//linvelvec /=	BLENDER_HACK_DTIME;
-				//angvelvec /=	BLENDER_HACK_DTIME;
-				
 				/* Blender uses a bit vector internally for the local-flags. In */
 				/* KX, we have four bools. The compiler should be smart enough  */
 				/* to do the right thing. We need to explicitly convert here!   */