1 files changed, 2 insertions, 1 deletions
diff --git a/packages/deployer/src/compiler.ts b/packages/deployer/src/compiler.ts
index b63f6033f..4bd636c90 100644
--- a/packages/deployer/src/compiler.ts
+++ b/packages/deployer/src/compiler.ts
@@ -179,7 +179,8 @@ export class Compiler {
         );
 
         if (!_.isUndefined(compiled.errors)) {
-            const isError = (errorOrWarning: string) => !errorOrWarning.includes('Warning');
+            const SOLIDITY_WARNING_PREFIX = 'Warning';
+            const isError = (errorOrWarning: string) => !errorOrWarning.includes(SOLIDITY_WARNING_PREFIX);
             const errors = _.filter(compiled.errors, isError);
             _.forEach(compiled.errors, errMsg => {
                 const normalizedErrMsg = getNormalizedErrMsg(errMsg);