diff --git a/c2me-opts-dfc/src/main/java/com/ishland/c2me/opts/dfc/common/ast/binary/MaxNode.java b/c2me-opts-dfc/src/main/java/com/ishland/c2me/opts/dfc/common/ast/binary/MaxNode.java
index b6992f36..dc63a4e9 100644
--- a/c2me-opts-dfc/src/main/java/com/ishland/c2me/opts/dfc/common/ast/binary/MaxNode.java
+++ b/c2me-opts-dfc/src/main/java/com/ishland/c2me/opts/dfc/common/ast/binary/MaxNode.java
@@ -32,6 +32,11 @@ public void evalMulti(double[] res, int[] x, int[] y, int[] z, EvalType type) {
         }
     }
 
+    @Override
+    public boolean canSwapOperandsSafely() {
+        return false;
+    }
+
     @Override
     public void doBytecodeGenSingle(BytecodeGen.Context context, InstructionAdapter m, BytecodeGen.Context.LocalVarConsumer localVarConsumer) {
         super.doBytecodeGenSingle(context, m, localVarConsumer);
diff --git a/c2me-opts-dfc/src/main/java/com/ishland/c2me/opts/dfc/common/ast/binary/MinNode.java b/c2me-opts-dfc/src/main/java/com/ishland/c2me/opts/dfc/common/ast/binary/MinNode.java
index 48bf605a..6d215dba 100644
--- a/c2me-opts-dfc/src/main/java/com/ishland/c2me/opts/dfc/common/ast/binary/MinNode.java
+++ b/c2me-opts-dfc/src/main/java/com/ishland/c2me/opts/dfc/common/ast/binary/MinNode.java
@@ -32,6 +32,11 @@ public void evalMulti(double[] res, int[] x, int[] y, int[] z, EvalType type) {
         }
     }
 
+    @Override
+    public boolean canSwapOperandsSafely() {
+        return false;
+    }
+
     @Override
     public void doBytecodeGenSingle(BytecodeGen.Context context, InstructionAdapter m, BytecodeGen.Context.LocalVarConsumer localVarConsumer) {
         super.doBytecodeGenSingle(context, m, localVarConsumer);