diff --git a/src/main/java/gr/uom/java/xmi/decomposition/ReplacementAlgorithm.java b/src/main/java/gr/uom/java/xmi/decomposition/ReplacementAlgorithm.java
index 42a6a6802..ff02c49e0 100644
--- a/src/main/java/gr/uom/java/xmi/decomposition/ReplacementAlgorithm.java
+++ b/src/main/java/gr/uom/java/xmi/decomposition/ReplacementAlgorithm.java
@@ -3268,6 +3268,22 @@ else if(creationCoveringTheEntireStatement2 != null && variableReturn1) {
 						replacementInfo.addReplacement(replacement);
 					}
 				}
+				if(booleanLiterals1.size() == 1 && statement2.getInfixExpressions().size() == 1) {
+					boolean returnBoolean1 = statement1.getString().equals(JAVA.RETURN_SPACE + statement1.getBooleanLiterals().get(0).getString() + JAVA.STATEMENT_TERMINATION);
+					boolean returnInfix2 = statement2.getString().equals(JAVA.RETURN_SPACE + statement2.getInfixExpressions().get(0).getString() + JAVA.STATEMENT_TERMINATION);
+					if(returnBoolean1 && returnInfix2) {
+						Replacement replacement = new Replacement(statement1.getBooleanLiterals().get(0).getString(), statement2.getInfixExpressions().get(0).getString(), ReplacementType.BOOLEAN_REPLACED_WITH_INFIX_EXPRESSION);
+						replacementInfo.addReplacement(replacement);
+					}
+				}
+				if(booleanLiterals2.size() == 1 && statement1.getInfixExpressions().size() == 1) {
+					boolean returnBoolean2 = statement2.getString().equals(JAVA.RETURN_SPACE + statement2.getBooleanLiterals().get(0).getString() + JAVA.STATEMENT_TERMINATION);
+					boolean returnInfix1 = statement1.getString().equals(JAVA.RETURN_SPACE + statement1.getInfixExpressions().get(0).getString() + JAVA.STATEMENT_TERMINATION);
+					if(returnBoolean2 && returnInfix1) {
+						Replacement replacement = new Replacement(statement1.getInfixExpressions().get(0).getString(), statement2.getBooleanLiterals().get(0).getString(), ReplacementType.BOOLEAN_REPLACED_WITH_INFIX_EXPRESSION);
+						replacementInfo.addReplacement(replacement);
+					}
+				}
 				return replacementInfo.getReplacements();
 			}
 		}
diff --git a/src/main/java/gr/uom/java/xmi/decomposition/UMLOperationBodyMapper.java b/src/main/java/gr/uom/java/xmi/decomposition/UMLOperationBodyMapper.java
index a46e036eb..85c0f447d 100644
--- a/src/main/java/gr/uom/java/xmi/decomposition/UMLOperationBodyMapper.java
+++ b/src/main/java/gr/uom/java/xmi/decomposition/UMLOperationBodyMapper.java
@@ -517,7 +517,8 @@ else if(streamAPIStatements1.size() > 0 && streamAPIStatements2.size() == 0) {
 					}
 				}
 				if(remainingUnmatchedIfStatements1 > 0 && mapping instanceof LeafMapping && mapping.getFragment1().getTernaryOperatorExpressions().size() == 0 &&
-						mapping.getFragment2().getTernaryOperatorExpressions().size() > 0 && !leaves2.contains(mapping.getFragment2())) {
+						(mapping.getFragment2().getTernaryOperatorExpressions().size() > 0 || mapping.getFragment2().getString().contains(" == ") || mapping.getFragment2().getString().contains(" != ")) &&
+						!leaves2.contains(mapping.getFragment2())) {
 					leaves2.add(mapping.getFragment2());
 					//remove from hashCodes, so that it can be re-matched
 					mappingHashcodesT2.remove(mapping.getFragment2().hashCode());
@@ -7481,7 +7482,8 @@ private boolean canBeAdded(LeafMapping minStatementMapping, Map<String, String>
 		for(AbstractCodeMapping mapping : mappings) {
 			if(mapping.getFragment1().equals(minStatementMapping.getFragment1()) ||
 					mapping.getFragment2().equals(minStatementMapping.getFragment2())) {
-				conflictingMappingFound = true;
+				if(newMappingReplacents > 0)
+					conflictingMappingFound = true;
 				int oldMappingReplacements = validReplacements(mapping, parameterToArgumentMap);
 				if(newMappingReplacents < oldMappingReplacements) {
 					mappingToBeRemoved = mapping;
@@ -7503,6 +7505,9 @@ private int validReplacements(AbstractCodeMapping mapping, Map<String, String> p
 		for(Replacement r : mapping.getReplacements()) {
 			if(parameterToArgumentMap.containsKey(r.getAfter()) && parameterToArgumentMap.get(r.getAfter()).equals(r.getBefore())) {
 				
+			}
+			else if(r.getType().equals(ReplacementType.INFIX_OPERATOR)) {
+				
 			}
 			else {
 				validReplacements++;
diff --git a/src/main/java/gr/uom/java/xmi/decomposition/replacement/Replacement.java b/src/main/java/gr/uom/java/xmi/decomposition/replacement/Replacement.java
index 5f08e50d4..acb62a2cd 100644
--- a/src/main/java/gr/uom/java/xmi/decomposition/replacement/Replacement.java
+++ b/src/main/java/gr/uom/java/xmi/decomposition/replacement/Replacement.java
@@ -88,6 +88,7 @@ public enum ReplacementType {
 		VARIABLE_DECLARATION_INITIALIZER,
 		BOOLEAN_REPLACED_WITH_VARIABLE,
 		BOOLEAN_REPLACED_WITH_PREFIX_EXPRESSION,
+		BOOLEAN_REPLACED_WITH_INFIX_EXPRESSION,
 		BOOLEAN_REPLACED_WITH_ARGUMENT,
 		TYPE_LITERAL_REPLACED_WITH_VARIABLE,
 		STRING_LITERAL_REPLACED_WITH_CHAR_LITERAL,