diff --git a/src/common/collision.c b/src/common/collision.c
index 55134798..69f4822d 100644
--- a/src/common/collision.c
+++ b/src/common/collision.c
@@ -683,8 +683,7 @@ CM_ClipBoxToBrush(vec3_t mins, vec3_t maxs, vec3_t p1,
 
 	for (i = 0; i < brush->numsides; i++)
 	{
-		if (((brush->firstbrushside + i) < 0) ||
-			((brush->firstbrushside + i) >= (cmod->numbrushsides + EXTRA_LUMP_BRUSHSIDES)))
+		if ((brush->firstbrushside + i) >= (cmod->numbrushsides + EXTRA_LUMP_BRUSHSIDES))
 		{
 			Com_DPrintf("%s: Incorrect brushside %d\n",
 				__func__, brush->firstbrushside + i);
diff --git a/src/common/header/files.h b/src/common/header/files.h
index 391dff9f..86fa68e0 100644
--- a/src/common/header/files.h
+++ b/src/common/header/files.h
@@ -908,8 +908,8 @@ typedef struct
 
 typedef struct
 {
-	int firstside;
-	int numsides;
+	unsigned int firstside;
+	unsigned int numsides;
 	int contents;
 } dbrush_t;