diff --git a/recipes/wvware/all/conandata.yml b/recipes/wvware/all/conandata.yml
index 93631bc..91491be 100644
--- a/recipes/wvware/all/conandata.yml
+++ b/recipes/wvware/all/conandata.yml
@@ -13,3 +13,4 @@ patches:
     - patch_file: "patches/wv-1.2.9-gcc14-build-fix.patch"
 
     - patch_file: "patches/printf-redirect.patch"
+    - patch_file: "patches/wvWare-data-dir.patch"
diff --git a/recipes/wvware/all/patches/wvWare-data-dir.patch b/recipes/wvware/all/patches/wvWare-data-dir.patch
new file mode 100644
index 0000000..366e534
--- /dev/null
+++ b/recipes/wvware/all/patches/wvWare-data-dir.patch
@@ -0,0 +1,27 @@
+--- wvWare.c
++++ wvWare.c
+@@ -1604,6 +1604,15 @@
+     return (0);
+ }
+ 
++const char *get_data_dir()
++{
++  const char *data_dir = getenv("WVDATADIR");
++  if (NULL == data_dir) {
++    data_dir = WVDATADIR;
++  }
++  return data_dir;
++}
++
+ int
+ wvOpenConfig (state_data *myhandle,char *config)
+ {
+@@ -1618,7 +1627,7 @@
+ 
+     if(tmp == NULL)
+     {
+-	str_copy  (buf, sizeof(buf), WVDATADIR);
++	str_copy  (buf, sizeof(buf), get_data_dir());
+ 	str_append(buf, sizeof(buf), "/");
+ 	str_append(buf, sizeof(buf), config);
+ 	config = buf;