diff --git a/modules/stream_out/mosaic_bridge.c b/modules/stream_out/mosaic_bridge.c
index beb16b57ca..a28986ca56 100644
--- a/modules/stream_out/mosaic_bridge.c
+++ b/modules/stream_out/mosaic_bridge.c
@@ -266,6 +266,7 @@ static int Open( vlc_object_t *p_this )
         memcpy( &p_sys->i_chroma, val.psz_string, 4 );
         msg_Dbg( p_stream, "Forcing image chroma to 0x%.8x (%4.4s)", p_sys->i_chroma, (char*)&p_sys->i_chroma );
     }
+    free( val.psz_string );
 
 #define INT_COMMAND( a ) do { \
     var_Create( p_stream, CFG_PREFIX #a, \
diff --git a/modules/video_filter/deinterlace.c b/modules/video_filter/deinterlace.c
index 4ec8333340..d6ffd993f5 100644
--- a/modules/video_filter/deinterlace.c
+++ b/modules/video_filter/deinterlace.c
@@ -2187,6 +2187,7 @@ static int OpenFilter( vlc_object_t *p_this )
     var_Get( p_filter, FILTER_CFG_PREFIX "mode", &val );
     var_Create( p_filter, "deinterlace-mode", VLC_VAR_STRING );
     var_Set( p_filter, "deinterlace-mode", val );
+    free( val.psz_string );
 
     if ( Create( VLC_OBJECT(p_vout) ) != VLC_SUCCESS )
     {