diff --git a/package.json b/package.json
index 4d8f433..ac78538 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "battery-state-card",
-  "version": "3.1.1",
+  "version": "3.1.2",
   "description": "Battery State card for Home Assistant",
   "main": "dist/battery-state-card.js",
   "author": "Max Chodorowski",
diff --git a/src/filter.ts b/src/filter.ts
index ae03c87..60747fd 100644
--- a/src/filter.ts
+++ b/src/filter.ts
@@ -1,4 +1,4 @@
-import { getRegexFromString, log, toNumber } from "./utils";
+import { getRegexFromString, isNumber, log, toNumber } from "./utils";
 
 /**
  * Functions to check if filter condition is met
@@ -7,7 +7,7 @@ const operatorHandlers: { [key in FilterOperator]: (val: string | number | undef
     "exists": val => val !== undefined,
     "not_exists": val => val === undefined,
     "contains": (val, searchString) => val !== undefined && val.toString().indexOf(searchString!.toString()) != -1,
-    "=": (val, expectedVal) => toNumber(val) == toNumber(expectedVal),
+    "=": (val, expectedVal) => isNumber(val) || isNumber(expectedVal) ? toNumber(val) == toNumber(expectedVal) : val == expectedVal,
     ">": (val, expectedVal) => toNumber(val) > toNumber(expectedVal),
     "<": (val, expectedVal) => toNumber(val) < toNumber(expectedVal),
     ">=": (val, expectedVal) => toNumber(val) >= toNumber(expectedVal),
diff --git a/test/other/filter.test.ts b/test/other/filter.test.ts
index c04f17c..e376e06 100644
--- a/test/other/filter.test.ts
+++ b/test/other/filter.test.ts
@@ -85,7 +85,9 @@ describe("Filter", () => {
         ["45", <FilterOperator>"matches", "55", false],
         [undefined, <FilterOperator>"matches", "55", false],
         ["45", <FilterOperator>"=", "45", true],
-        ["45", <FilterOperator>"=", "55", false],
+        ["45", <FilterOperator>"=", "45", true],
+        ["string test", <FilterOperator>"=", "string", false],
+        ["string test", <FilterOperator>"=", "string test", true],
         ["45", <FilterOperator>">", "44", true],
         ["45", <FilterOperator>">", "45", false],
         ["45", <FilterOperator>">=", "45", true],