diff --git a/Makefile b/Makefile
index fe8b3709..1dc0abd2 100644
--- a/Makefile
+++ b/Makefile
@@ -1093,8 +1093,6 @@ ifeq ($(PLATFORM),emscripten)
       $(error "No files in '$(BASEGAME)' directory for emscripten to preload.")
     endif
     CLIENT_LDFLAGS+=--preload-file $(BASEGAME)
-  else
-    CLIENT_EXTRA_FILES+=code/web/client-config.json
   endif
 
   OPTIMIZEVM = -O3
@@ -1230,6 +1228,9 @@ ifeq ($(PLATFORM),emscripten)
 
   ifneq ($(BUILD_CLIENT),0)
     TARGETS += $(B)/$(CLIENTBIN).html
+    ifneq ($(EMSCRIPTEN_PRELOAD_FILE),1)
+      TARGETS += $(B)/$(CLIENTBIN)-config.json
+    endif
 
     ifneq ($(USE_RENDERER_DLOPEN),0)
       GENERATEDTARGETS += $(B)/$(CLIENTBIN).$(ARCH).wasm
@@ -3094,6 +3095,10 @@ $(B)/$(CLIENTBIN).html: $(WEBDIR)/client.html
 	$(echo_cmd) "SED $@"
 	$(Q)sed 's/__CLIENTBIN__/$(CLIENTBIN)/g;s/__BASEGAME__/$(BASEGAME)/g;s/__EMSCRIPTEN_PRELOAD_FILE__/$(EMSCRIPTEN_PRELOAD_FILE)/g' < $< > $@
 
+$(B)/$(CLIENTBIN)-config.json: $(WEBDIR)/client-config.json
+	$(echo_cmd) "CP $@"
+	$(Q)cp $< $@
+
 
 #############################################################################
 # MISC
diff --git a/code/web/client.html b/code/web/client.html
index a1cf00fa..3a23ab92 100644
--- a/code/web/client.html
+++ b/code/web/client.html
@@ -20,13 +20,14 @@ let enginePath = './';
 // Path or URL containing fs_game directories.
 let dataPath = './';
 // Path or URL for config file that specifies the files to load for each fs_game.
-let configFilename = './client-config.json';
+let configFilename = `./${CLIENTBIN}-config.json`;
 
 // If displaying the unmodified HTML file, fallback to defaults.
 if (clientHtmlFallback) {
     CLIENTBIN='ioquake3';
     BASEGAME='baseq3';
     EMSCRIPTEN_PRELOAD_FILE=0;
+    configFilename='./client-config.json';
 }
 
 if (window.location.protocol === 'file:') throw new Error(`Unfortunately browser security restrictions prevent loading wasm from a file: URL. This file must be loaded from a web server. The easiest way to do this is probably to use Python\'s built-in web server by running \`python3 -m http.server\` in the top level source directory and then navigate to http://localhost:8000/build/debug-emscripten-wasm32/${CLIENTBIN}.html`);
@@ -68,7 +69,6 @@ if (clientHtmlFallback) {
 
     enginePath = buildPaths[buildIndex];
     dataPath = buildPaths[buildIndex];
-    configFilename = dataPath + 'client-config.json';
 }
 
 const dataURL = new URL(dataPath, location.origin + location.pathname);