diff --git a/plug-ins/SpectralEditMulti.ny b/plug-ins/SpectralEditMulti.ny
index d765287ba..64d4e2b6a 100644
--- a/plug-ins/SpectralEditMulti.ny
+++ b/plug-ins/SpectralEditMulti.ny
@@ -1,4 +1,4 @@
-;nyquist plug-in
+;nyquist plugin
 ;version 4
 ;type process
 ;name "Spectral edit multi tool"
diff --git a/plug-ins/SpectralEditParametricEQ.ny b/plug-ins/SpectralEditParametricEQ.ny
index abb4b3197..286298b79 100644
--- a/plug-ins/SpectralEditParametricEQ.ny
+++ b/plug-ins/SpectralEditParametricEQ.ny
@@ -1,4 +1,4 @@
-;nyquist plug-in
+;nyquist plugin
 ;version 4
 ;type process
 ;preview enabled
diff --git a/plug-ins/SpectralEditShelves.ny b/plug-ins/SpectralEditShelves.ny
index 9533d5989..42533b418 100644
--- a/plug-ins/SpectralEditShelves.ny
+++ b/plug-ins/SpectralEditShelves.ny
@@ -1,4 +1,4 @@
-;nyquist plug-in
+;nyquist plugin
 ;version 4
 ;type process
 ;preview enabled
diff --git a/plug-ins/crossfadetracks.ny b/plug-ins/crossfadetracks.ny
index bdb627c88..d21c6da42 100644
--- a/plug-ins/crossfadetracks.ny
+++ b/plug-ins/crossfadetracks.ny
@@ -1,4 +1,4 @@
-;nyquist plug-in
+;nyquist plugin
 ;version 4
 ;type process
 ;name "Crossfade Tracks..."
diff --git a/src/effects/nyquist/Nyquist.cpp b/src/effects/nyquist/Nyquist.cpp
index 4390726bc..06af6af89 100644
--- a/src/effects/nyquist/Nyquist.cpp
+++ b/src/effects/nyquist/Nyquist.cpp
@@ -1231,7 +1231,10 @@ void EffectNyquist::Parse(wxString line)
       return;
    }
 
-   if (len == 2 && tokens[0] == wxT("nyquist") && tokens[1] == wxT("plug-in")) {
+   // As of version 4 plugins ";nyquist plug-in" is depricated in favour of ";nyquist plugin".
+   // The hyphenated version must be maintained while we support plugin versions < 4.
+   if (len == 2 && tokens[0] == wxT("nyquist") &&
+      (tokens[1] == wxT("plugin") || tokens[1] == wxT("plug-in"))) {
       mOK = true;
       return;
    }