diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/HardcodedContracts.java b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/HardcodedContracts.java
index c7e2fce923cd..1789f314dab8 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/HardcodedContracts.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/HardcodedContracts.java
@@ -69,12 +69,12 @@ public class HardcodedContracts {
         return Collections.singletonList(new MethodContract(constraints, THROW_EXCEPTION));
       }
     }
-    else if ("org.apache.commons.lang.Validate".equals(className) || 
-             "org.apache.commons.lang3.Validate".equals(className) || 
+    else if ("org.apache.commons.lang.Validate".equals(className) ||
+             "org.apache.commons.lang3.Validate".equals(className) ||
              "org.springframework.util.Assert".equals(className)) {
-      if ("notNull".equals(methodName) && paramCount > 0) {
+      if (("isTrue".equals(methodName) || "state".equals(methodName)) && paramCount > 0) {
         MethodContract.ValueConstraint[] constraints = createConstraintArray(paramCount);
-        constraints[0] = NULL_VALUE;
+        constraints[0] = FALSE_VALUE;
         return Collections.singletonList(new MethodContract(constraints, THROW_EXCEPTION));
       }
     }
diff --git a/java/java-tests/testData/inspection/dataFlow/fixture/SpringAssert.java b/java/java-tests/testData/inspection/dataFlow/fixture/SpringAssert.java
new file mode 100644
index 000000000000..8fc586956569
--- /dev/null
+++ b/java/java-tests/testData/inspection/dataFlow/fixture/SpringAssert.java
@@ -0,0 +1,15 @@
+import org.springframework.util.Assert;
+
+class Contracts {
+
+  void foo(Object o) {
+    Assert.isTrue(o instanceof String);
+    String s = (String) o;
+  }
+
+  void foo1(Object o) {
+    Assert.state(o instanceof String, "oops");
+    String s = (String) o;
+  }
+
+}
\ No newline at end of file
diff --git a/java/java-tests/testSrc/com/intellij/codeInspection/HardcodedContractsTest.java b/java/java-tests/testSrc/com/intellij/codeInspection/HardcodedContractsTest.java
index a55ab3f24ec3..b288ee1d2f99 100644
--- a/java/java-tests/testSrc/com/intellij/codeInspection/HardcodedContractsTest.java
+++ b/java/java-tests/testSrc/com/intellij/codeInspection/HardcodedContractsTest.java
@@ -97,5 +97,12 @@ public class HardcodedContractsTest extends DataFlowInspectionTestCase {
     checkHighlighting();
   }
 
+  public void testSpringAssert() {
+    myFixture.addClass("package org.springframework.util; public class Assert {\n" +
+                       "    public static void isTrue(boolean expression) {}\n" +
+                       "    public static void state(boolean expression, String s) {}\n" +
+                       "}");
+    checkHighlighting();
+  }
 
 }