diff --git a/src/scribe.c b/src/scribe.c
index b46ee6c..0def6cb 100644
--- a/src/scribe.c
+++ b/src/scribe.c
@@ -21,6 +21,14 @@ uint8_t gargoyle_from_rope(struct gargoyle_opt *opt, const char *brand) {
     if(*end) {
       return GARGOYLE_ERR_INVALID_UINT;
     }
+  } else if(opt->type & GARGOYLE_TYPE_DBLE) {
+    char *end = NULL;
+    double *val = opt->val;
+    *val = strtod(brand, &end);
+
+    if(*end) {
+      return GARGOYLE_ERR_INVALID_DBLE;
+    }
   }
 
   return 0;