diff --git a/qbsp/portals.cc b/qbsp/portals.cc
index cb5057f7..d9734ecb 100644
--- a/qbsp/portals.cc
+++ b/qbsp/portals.cc
@@ -22,6 +22,8 @@
 
 #include <qbsp/qbsp.hh>
 
+#include <fmt/format.h>
+
 node_t outside_node;    // portals outside the world face this
 
 class portal_state_t {
@@ -47,9 +49,9 @@ static void
 WriteFloat(FILE *portalFile, vec_t v)
 {
     if (fabs(v - Q_rint(v)) < ZERO_EPSILON)
-        fprintf(portalFile, "%d ", (int)Q_rint(v));
+        fmt::print(portalFile, "{} ", (int)Q_rint(v));
     else
-        fprintf(portalFile, "%f ", v);
+        fmt::print(portalFile, "{} ", v);
 }
 
 static contentflags_t
diff --git a/testmaps/qbsp.sha256sum b/testmaps/qbsp.sha256sum
index ae90fa04..0c7d4030 100644
--- a/testmaps/qbsp.sha256sum
+++ b/testmaps/qbsp.sha256sum
@@ -14,13 +14,13 @@ af969da100d8dda94d355277c60382c925aabe18c6a4ce9b7500e4e43313f7f4 *e1m1-bspxbrush
 abf3633d5a6d0e167ce9bacec476d3408c8240df5f3d72d14867cd201d4e3674 *qbsp_func_detail.prt
 c0995c6b92256fa048c1a755ebe7e07f5fae33cb64e3c53adc234380fe44f267 *qbsp_func_detail_illusionary_plus_water.prt
 b1ac538e53efc28ace2088324b1c0504d0f09b013d30b39ce231d76124bc6c22 *qbsp_origin.prt
-08349ab23c97120c41493d8fb00b9a6c41553aba64b1710ba11cc5bdfbe51e45 *e1m1-bsp29.prt
-08349ab23c97120c41493d8fb00b9a6c41553aba64b1710ba11cc5bdfbe51e45 *e1m1-bsp2.prt
-08349ab23c97120c41493d8fb00b9a6c41553aba64b1710ba11cc5bdfbe51e45 *e1m1-2psb.prt
-08349ab23c97120c41493d8fb00b9a6c41553aba64b1710ba11cc5bdfbe51e45 *e1m1-hexen2.prt
-08349ab23c97120c41493d8fb00b9a6c41553aba64b1710ba11cc5bdfbe51e45 *e1m1-hexen2-bsp2.prt
-08349ab23c97120c41493d8fb00b9a6c41553aba64b1710ba11cc5bdfbe51e45 *e1m1-hexen2-2psb.prt
-08349ab23c97120c41493d8fb00b9a6c41553aba64b1710ba11cc5bdfbe51e45 *e1m1-hlbsp.prt
-08349ab23c97120c41493d8fb00b9a6c41553aba64b1710ba11cc5bdfbe51e45 *e1m1-bspxbrushes.prt
-08349ab23c97120c41493d8fb00b9a6c41553aba64b1710ba11cc5bdfbe51e45 *e1m1-bsp29-onlyents.prt
+8d7c5ea9f0fafbc2aec52ceeb8b3dd464a0da2935abf878bfb27c3961e17e436 *e1m1-bsp29.prt
+8d7c5ea9f0fafbc2aec52ceeb8b3dd464a0da2935abf878bfb27c3961e17e436 *e1m1-bsp2.prt
+8d7c5ea9f0fafbc2aec52ceeb8b3dd464a0da2935abf878bfb27c3961e17e436 *e1m1-2psb.prt
+8d7c5ea9f0fafbc2aec52ceeb8b3dd464a0da2935abf878bfb27c3961e17e436 *e1m1-hexen2.prt
+8d7c5ea9f0fafbc2aec52ceeb8b3dd464a0da2935abf878bfb27c3961e17e436 *e1m1-hexen2-bsp2.prt
+8d7c5ea9f0fafbc2aec52ceeb8b3dd464a0da2935abf878bfb27c3961e17e436 *e1m1-hexen2-2psb.prt
+8d7c5ea9f0fafbc2aec52ceeb8b3dd464a0da2935abf878bfb27c3961e17e436 *e1m1-hlbsp.prt
+8d7c5ea9f0fafbc2aec52ceeb8b3dd464a0da2935abf878bfb27c3961e17e436 *e1m1-bspxbrushes.prt
+8d7c5ea9f0fafbc2aec52ceeb8b3dd464a0da2935abf878bfb27c3961e17e436 *e1m1-bsp29-onlyents.prt
 15361b57e8a0e8a3a9d949133eb53dadca91f03f1697997a9d36bad687edd2ab *qbspfeatures.prt