diff --git a/Cargo.toml b/Cargo.toml
index 188ae36..42394ca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "rust_dynamic"
 description = "Support for dynamically-typed values in run-time"
-version = "0.26.0"
+version = "0.27.0"
 edition = "2021"
 license-file = "LICENSE"
 repository = "https://github.com/vulogov/rust_dynamic"
diff --git a/src/math.rs b/src/math.rs
index 0a18f53..5a0de82 100644
--- a/src/math.rs
+++ b/src/math.rs
@@ -64,7 +64,7 @@ fn string_op_string_int(op: Ops, x: String, y: i64) -> String {
 fn string_op_string_float(op: Ops, x: String, y: f64) -> String {
     match op {
         Ops::Mul => x.repeat(y as usize),
-        Ops::Add => format!("{}{}", x, y),
+        Ops::Add => format!("{}{:.}", x, y),
         _ => x,
     }
 }
diff --git a/tests/math-test.rs b/tests/math-test.rs
index eecb34b..ecfefca 100644
--- a/tests/math-test.rs
+++ b/tests/math-test.rs
@@ -75,10 +75,18 @@ mod tests {
     }
 
     #[test]
-    fn test_textbuffer_add() {
+    fn test_textbuffer_add_string() {
         let mut x = Value::text_buffer("Hello".to_string());
         let y = Value::from(" world").unwrap();
         x = x + y;
         assert_eq!(x.cast_string().unwrap(), "Hello world");
     }
+
+    #[test]
+    fn test_textbuffer_add_float() {
+        let mut x = Value::text_buffer("Hello ".to_string());
+        let y = Value::from(3.14).unwrap();
+        x = x + y;
+        assert_eq!(x.cast_string().unwrap(), "Hello 3.14");
+    }
 }