diff --git a/flake.lock b/flake.lock
index 8f95add..68d6eb5 100644
--- a/flake.lock
+++ b/flake.lock
@@ -83,6 +83,18 @@
         "url": "https://gitea.gregorlohaus.com/gregor/jlibghostty.git"
       }
     },
+    "jtoml-all": {
+      "flake": false,
+      "locked": {
+        "narHash": "sha256-KWrUaDVmnWzdkQxjgPFFNl8DOEvkCqWW3OmXU2sZHKw=",
+        "type": "file",
+        "url": "https://repo.maven.apache.org/maven2/io/github/wasabithumb/jtoml-all/1.5.2/jtoml-all-1.5.2.jar"
+      },
+      "original": {
+        "type": "file",
+        "url": "https://repo.maven.apache.org/maven2/io/github/wasabithumb/jtoml-all/1.5.2/jtoml-all-1.5.2.jar"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1779560665,
@@ -118,6 +130,7 @@
     "root": {
       "inputs": {
         "jlibghostty": "jlibghostty",
+        "jtoml-all": "jtoml-all",
         "nixpkgs": "nixpkgs_2"
       }
     },
diff --git a/flake.nix b/flake.nix
index 664c772..2fc4d6f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -37,6 +37,13 @@
           mkdir -p build/classes build/native-image
 
           find src/main/java -name '*.java' | sort > build/sources.txt
+          javafx_lib="$(find ${openjfx} -type f -name 'javafx.graphics.jar' -printf '%h\n' | head -n1)"
+          if [ -z "$javafx_lib" ]; then
+            echo "Could not find javafx.graphics.jar under ${openjfx}" >&2
+            find ${openjfx} -maxdepth 4 -type f | sort >&2
+            exit 1
+          fi
+
           jlib_classpath="$(
             find ${jlib}/maven -type f -name '*.jar' \
               ! -name '*-sources.jar' \
@@ -48,7 +55,7 @@
 
           javac \
             --release 25 \
-            --module-path ${openjfx}/lib \
+            --module-path "$javafx_lib" \
             --add-modules javafx.controls,javafx.graphics \
             -cp "${jtoml-all}:$jlib_classpath" \
             -d build/classes \
@@ -61,7 +68,7 @@
           native-image \
             --no-fallback \
             --enable-url-protocols=file \
-            --module-path ${openjfx}/lib \
+            --module-path "$javafx_lib" \
             --add-modules javafx.controls,javafx.graphics \
             -cp "$app_classpath" \
             -H:Name=jprototerm \