diff --git a/Extras/AlternativeCollisionAlgorithms/Jamfile b/Extras/AlternativeCollisionAlgorithms/Jamfile
index 074f1017b..0771a7221 100644
--- a/Extras/AlternativeCollisionAlgorithms/Jamfile
+++ b/Extras/AlternativeCollisionAlgorithms/Jamfile
@@ -11,7 +11,7 @@ boxbox.CFLAGS = [ FIncludes $(TOP)/Extras/AlternativeCollisionAlgorithms ] ;
 MsvcGenConfig boxbox.INCDIRS : $(TOP)/Extras/AlternativeCollisionAlgorithms ;
 
 #for the include paths
-LibDepends boxbox : BulletCollision ;
+LibDepends boxbox : bulletcollision  ;
 
 
 #InstallHeader [ Wildcard *.h ] : AlternativeCollisionAlgorithms ;
diff --git a/Extras/quickstep/Jamfile b/Extras/quickstep/Jamfile
index f9af3bef1..1b6d9adce 100644
--- a/Extras/quickstep/Jamfile
+++ b/Extras/quickstep/Jamfile
@@ -14,7 +14,7 @@ CFlags quickstep : [ FIncludes $(TOP)/Extras/quickstep ] ;
 MsvcGenConfig QUICKSTEP.INCDIRS : $(TOP)/Extras/quickstep ;
 
 #for the include paths
-LibDepends quickstep : BulletDynamics ;
+LibDepends quickstep : bulletdynamics ;
 
 
 #InstallHeader [ Wildcard *.h ] : quickstep ;