diff --git a/src/main/atl/analysis.atl b/src/main/atl/analysis.atl
index 31348825e67b6c59bae7ebe38607f3ca30f34bfe..f1263e89c68abf35d7ad6151c620defedbbfe32f 100644
--- a/src/main/atl/analysis.atl
+++ b/src/main/atl/analysis.atl
@@ -123,7 +123,7 @@ helper def: allMeasures(project : java!Model): Set(smm!Measure) =
 		thisModule.UseProperClassLoader(),
 		
 		-- Best practices rules
-		-- #FIXME: thisModule.avoidReassigningParameters(),
+		thisModule.avoidReassigningParameters(),
 		thisModule.avoidStringBufferField(),
 		thisModule.forLoopVariableCount(),
 		thisModule.switchDensity(),
diff --git a/src/main/atl/bestPractices.atl b/src/main/atl/bestPractices.atl
index 168babbd0978b6033a754de2af31618bbdf11f91..dd6844d6c9a453dc45a7ee3633ac74420dc0ed99 100644
--- a/src/main/atl/bestPractices.atl
+++ b/src/main/atl/bestPractices.atl
@@ -122,7 +122,7 @@ helper context java!VariableDeclarationExpression def: nbLocalVariableDeclaratio
 
 helper def: avoidReassigningParameters(): Set(smm!Measure) =
 	java!AbstractMethodDeclaration.allInstances()->select(method |
-		method.parameters.size() > 0 -- need at least 1 parameter
+		method.parameters.size() > 0 and not method.body.oclIsUndefined() -- need at least one parameter and a body
 	)->collect(method |
 		method.body.statements->select(statement |
 			statement.oclIsTypeOf(java!ExpressionStatement) -- statement must be an expression