diff --git a/pkgs/top-level/php-packages.nix b/pkgs/top-level/php-packages.nix
index a0d340826f5..e8af3c2dbf9 100644
--- a/pkgs/top-level/php-packages.nix
+++ b/pkgs/top-level/php-packages.nix
@@ -28,14 +28,14 @@ let
   imagick31 = assert !isPhp7; buildPecl {
     name = "imagick-3.1.2";
     sha256 = "14vclf2pqcgf3w8nzqbdw0b9v30q898344c84jdbw2sa62n6k1sj";
-    configureFlags = "--with-imagick=${pkgs.imagemagick}";
+    configureFlags = "--with-imagick=${pkgs.imagemagick.dev}";
     buildInputs = [ pkgs.pkgconfig ];
   };
 
   imagick34 = buildPecl {
     name = "imagick-3.4.0RC4";
     sha256 = "0fdkzdv3r8sm6y1x11kp3rxsimq6zf15xvi0mhn57svmnan4zh0i";
-    configureFlags = "--with-imagick=${pkgs.imagemagick}";
+    configureFlags = "--with-imagick=${pkgs.imagemagick.dev}";
     buildInputs = [ pkgs.pkgconfig ];
   };
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ac7a4cc7bc5..177607098ea 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -22837,7 +22837,7 @@ in modules // {
 
     checkPhase = ''
       cd tests
-      export MAGICK_HOME="${pkgs.imagemagick}"
+      export MAGICK_HOME="${pkgs.imagemagick.dev}"
       export PYTHONPATH=$PYTHONPATH:../
       py.test
       cd ..