diff --git a/tools/mbspc/mbspc/l_bsp_hl.c b/tools/mbspc/mbspc/l_bsp_hl.c
index 6a33ed8c..99565b08 100644
--- a/tools/mbspc/mbspc/l_bsp_hl.c
+++ b/tools/mbspc/mbspc/l_bsp_hl.c
@@ -151,7 +151,7 @@ void HL_AllocMaxBSP(void)
 	//edges
 	hl_numedges = 0;
 	hl_dedges = (hl_dedge_t *) GetMemory(HL_MAX_MAP_EDGES * sizeof(hl_dedge_t));
-	hl_allocatedbspmem += HL_MAX_MAP_EDGES, sizeof(hl_dedge_t);
+	hl_allocatedbspmem += HL_MAX_MAP_EDGES * sizeof(hl_dedge_t);
 	//mark surfaces
 	hl_nummarksurfaces = 0;
 	hl_dmarksurfaces = (unsigned short *) GetMemory(HL_MAX_MAP_MARKSURFACES * sizeof(unsigned short));
diff --git a/tools/mbspc/mbspc/l_bsp_q1.c b/tools/mbspc/mbspc/l_bsp_q1.c
index 81b0ead2..f62ea314 100644
--- a/tools/mbspc/mbspc/l_bsp_q1.c
+++ b/tools/mbspc/mbspc/l_bsp_q1.c
@@ -133,7 +133,7 @@ void Q1_AllocMaxBSP(void)
 	//edges
 	q1_numedges = 0;
 	q1_dedges = (q1_dedge_t *) GetMemory(Q1_MAX_MAP_EDGES * sizeof(q1_dedge_t));
-	q1_allocatedbspmem += Q1_MAX_MAP_EDGES, sizeof(q1_dedge_t);
+	q1_allocatedbspmem += Q1_MAX_MAP_EDGES * sizeof(q1_dedge_t);
 	//mark surfaces
 	q1_nummarksurfaces = 0;
 	q1_dmarksurfaces = (unsigned short *) GetMemory(Q1_MAX_MAP_MARKSURFACES * sizeof(unsigned short));