diff --git a/tools/quake3/q3map2/bspfile_ibsp.c b/tools/quake3/q3map2/bspfile_ibsp.c
index b3ec8ebf..e3b40dea 100644
--- a/tools/quake3/q3map2/bspfile_ibsp.c
+++ b/tools/quake3/q3map2/bspfile_ibsp.c
@@ -571,7 +571,8 @@ void WriteIBSPFile( const char *filename ){
 
 	/* add marker lump */
 	time( &t );
-	sprintf( marker, "I LOVE MY Q3MAP2 %s on %s)", Q3MAP_VERSION, asctime( localtime( &t ) ) );
+	/* asctime adds an implicit trailing \n */
+	sprintf( marker, "I LOVE MY Q3MAP2 %s on %s", Q3MAP_VERSION, asctime( localtime( &t ) ) );
 	AddLump( file, (bspHeader_t*) header, 0, marker, strlen( marker ) + 1 );
 
 	/* add lumps */
diff --git a/tools/quake3/q3map2/bspfile_rbsp.c b/tools/quake3/q3map2/bspfile_rbsp.c
index 52830459..096e6771 100644
--- a/tools/quake3/q3map2/bspfile_rbsp.c
+++ b/tools/quake3/q3map2/bspfile_rbsp.c
@@ -304,7 +304,8 @@ void WriteRBSPFile( const char *filename ){
 
 	/* add marker lump */
 	time( &t );
-	sprintf( marker, "I LOVE MY Q3MAP2 %s on %s)", Q3MAP_VERSION, asctime( localtime( &t ) ) );
+	/* asctime adds an implicit trailing \n */
+	sprintf( marker, "I LOVE MY Q3MAP2 %s on %s", Q3MAP_VERSION, asctime( localtime( &t ) ) );
 	AddLump( file, (bspHeader_t*) header, 0, marker, strlen( marker ) + 1 );
 
 	/* add lumps */