diff --git a/example/dtmf-detector/dtmf-detector.csproj b/example/dtmf-detector/dtmf-detector.csproj
index 532c550..4b18cbe 100644
--- a/example/dtmf-detector/dtmf-detector.csproj
+++ b/example/dtmf-detector/dtmf-detector.csproj
@@ -14,7 +14,7 @@
-
+
diff --git a/src/DtmfDetection.NAudio/DtmfDetection.NAudio.csproj b/src/DtmfDetection.NAudio/DtmfDetection.NAudio.csproj
index 5c76a3e..e524b33 100644
--- a/src/DtmfDetection.NAudio/DtmfDetection.NAudio.csproj
+++ b/src/DtmfDetection.NAudio/DtmfDetection.NAudio.csproj
@@ -12,7 +12,7 @@
-
+
diff --git a/test/integration/integration.csproj b/test/integration/integration.csproj
index e493da7..9e18751 100644
--- a/test/integration/integration.csproj
+++ b/test/integration/integration.csproj
@@ -14,7 +14,7 @@
all
-
+