diff --git a/engine/common/mod_bmodel.c b/engine/common/mod_bmodel.c
index d375d2e5..9738e346 100644
--- a/engine/common/mod_bmodel.c
+++ b/engine/common/mod_bmodel.c
@@ -457,7 +457,7 @@ static void Mod_LoadLump( const byte *in, mlumpinfo_t *info, mlumpstat_t *stat,
 	if( l->filelen % real_entrysize )
 	{
 		if( !FBitSet( flags, LUMP_SILENT ))
-			Con_DPrintf( S_ERROR "Mod_Load%s: Lump size %d was not a multiple of %lu bytes\n", msg2, l->filelen, real_entrysize );
+			Con_DPrintf( S_ERROR "Mod_Load%s: Lump size %d was not a multiple of %zu bytes\n", msg2, l->filelen, real_entrysize );
 		loadstat.numerrors++;
 		return;
 	}
@@ -1525,7 +1525,7 @@ static qboolean Mod_LoadColoredLighting( dbspmodel_t *bmod )
 
 	if( litdatasize != ( bmod->lightdatasize * 3 ))
 	{
-		Con_Printf( S_ERROR "%s has mismatched size (%li should be %lu)\n", path, litdatasize, bmod->lightdatasize * 3 );
+		Con_Printf( S_ERROR "%s has mismatched size (%llu should be %zu)\n", path, litdatasize, bmod->lightdatasize * 3 );
 		Mem_Free( in );
 		return false;
 	}
@@ -1580,7 +1580,7 @@ static void Mod_LoadDeluxemap( dbspmodel_t *bmod )
 
 	if( deluxdatasize != bmod->lightdatasize )
 	{
-		Con_Reportf( S_ERROR "%s has mismatched size (%li should be %lu)\n", path, deluxdatasize, bmod->lightdatasize );
+		Con_Reportf( S_ERROR "%s has mismatched size (%llu should be %zu)\n", path, deluxdatasize, bmod->lightdatasize );
 		Mem_Free( in );
 		return;
 	}
@@ -2475,7 +2475,7 @@ static void Mod_LoadSurfaces( dbspmodel_t *bmod )
 
 			if(( in->firstedge + in->numedges ) > loadmodel->numsurfedges )
 			{
-				Con_Reportf( S_ERROR "bad surface %i from %lu\n", i, bmod->numsurfaces );
+				Con_Reportf( S_ERROR "bad surface %i from %zu\n", i, bmod->numsurfaces );
 				continue;
 			}
 
@@ -2810,7 +2810,7 @@ static void Mod_LoadLightVecs( dbspmodel_t *bmod )
 	if( bmod->deluxdatasize != bmod->lightdatasize )
 	{
 		if( bmod->deluxdatasize > 0 )
-			Con_Printf( S_ERROR "Mod_LoadLightVecs: has mismatched size (%lu should be %i)\n", bmod->deluxdatasize, bmod->lightdatasize );
+			Con_Printf( S_ERROR "Mod_LoadLightVecs: has mismatched size (%zu should be %zu)\n", bmod->deluxdatasize, bmod->lightdatasize );
 		else Mod_LoadDeluxemap( bmod ); // old method
 		return;
 	}
@@ -2829,7 +2829,7 @@ static void Mod_LoadShadowmap( dbspmodel_t *bmod )
 	if( bmod->shadowdatasize != ( bmod->lightdatasize / 3 ))
 	{
 		if( bmod->shadowdatasize > 0 )
-			Con_Printf( S_ERROR "Mod_LoadShadowmap: has mismatched size (%i should be %lu)\n", bmod->shadowdatasize, bmod->lightdatasize / 3 );
+			Con_Printf( S_ERROR "Mod_LoadShadowmap: has mismatched size (%zu should be %zu)\n", bmod->shadowdatasize, bmod->lightdatasize / 3 );
 		return;
 	}