diff --git a/pkgs/applications/graphics/ImageMagick/default.nix b/pkgs/applications/graphics/ImageMagick/default.nix
index 169576f29bf..48a29e147f0 100644
--- a/pkgs/applications/graphics/ImageMagick/default.nix
+++ b/pkgs/applications/graphics/ImageMagick/default.nix
@@ -85,7 +85,9 @@ stdenv.mkDerivation rec {
     moveToOutput "bin/*-config" "$dev"
     moveToOutput "lib/ImageMagick-*/config-Q16" "$dev" # includes configure params
     for file in "$dev"/bin/*-config; do
-      substituteInPlace "$file" --replace pkg-config \
+      substituteInPlace "$file" --replace "${pkgconfig}/bin/pkg-config -config" \
+        ${pkgconfig}/bin/pkg-config
+      substituteInPlace "$file" --replace ${pkgconfig}/bin/pkg-config \
         "PKG_CONFIG_PATH='$dev/lib/pkgconfig' '${pkgconfig}/bin/pkg-config'"
     done
   '' + lib.optionalString (ghostscript != null) ''