diff --git a/plugins/autocrop/default.nix b/plugins/autocrop/default.nix
index df82b12..3c79f6c 100644
--- a/plugins/autocrop/default.nix
+++ b/plugins/autocrop/default.nix
@@ -16,7 +16,7 @@ in stdenv.mkDerivation rec {
   buildInputs = [ vapoursynth ];
 
   buildPhase = ''
-    c++ -std=c++11 -shared -fPIC -O2 -I${vapoursynth.dev}/include/vapoursynth \
+    c++ -std=c++11 -shared -fPIC -O2 -I${vapoursynth}/include/vapoursynth \
         autocrop.cpp -o libautocrop${ext}
   '';
 
diff --git a/plugins/beziercurve/default.nix b/plugins/beziercurve/default.nix
index f82f53d..efff4fb 100644
--- a/plugins/beziercurve/default.nix
+++ b/plugins/beziercurve/default.nix
@@ -21,7 +21,7 @@ in stdenv.mkDerivation rec {
   '';
 
   buildPhase = ''
-    c++ -fPIC -shared -I${vapoursynth.dev}/include/vapoursynth \
+    c++ -fPIC -shared -I${vapoursynth}/include/vapoursynth \
         -o VapourSynth-BezierCurve${ext} \
 	      VapourSynth-BezierCurve/BezierCurve.cpp \
         VapourSynth-BezierCurve/CubicBezierCurve.cpp \
diff --git a/plugins/continuityfixer/default.nix b/plugins/continuityfixer/default.nix
index 8a91223..93b7046 100644
--- a/plugins/continuityfixer/default.nix
+++ b/plugins/continuityfixer/default.nix
@@ -16,7 +16,7 @@ in stdenv.mkDerivation rec {
   buildInputs = [ vapoursynth ];
 
   buildPhase = ''
-    c++ -shared -fPIC -O2 -msse2 -mfpmath=sse -I${vapoursynth.dev}/include/vapoursynth \
+    c++ -shared -fPIC -O2 -msse2 -mfpmath=sse -I${vapoursynth}/include/vapoursynth \
         continuity.cpp -o continuity${ext}
   '';
 
diff --git a/plugins/descale/default.nix b/plugins/descale/default.nix
index c91b2c3..d168e87 100644
--- a/plugins/descale/default.nix
+++ b/plugins/descale/default.nix
@@ -16,7 +16,7 @@ in stdenv.mkDerivation rec {
   buildInputs = [ vapoursynth ];
 
   buildPhase = ''
-    c++ -std=c++11 -shared -fPIC -O2 -I${vapoursynth.dev}/include/vapoursynth \
+    c++ -std=c++11 -shared -fPIC -O2 -I${vapoursynth}/include/vapoursynth \
         descale.cpp -o libdescale${ext}
   '';