diff --git a/CHANGES b/CHANGES
index d28ca8bbb..c2b3d0fda 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,7 @@ CHANGES IN FLTK 1.3.5					RELEASED: ??? ?? 2018
 
 Bug fixes and other improvements
 
+	- Fixed CMake build (fluid) on case sensitive macOS file systems.
 	- Windows/OpenGL: improved pixel format detection (STR #3119).
 	- Added support for MacOS 10.14 "Mojave": all drawing to windows is done
 	  through "layer-backed views" when the app is linked to SDK 10.14.
diff --git a/README.OSX.txt b/README.OSX.txt
index 3c1c0318b..19ceea452 100644
--- a/README.OSX.txt
+++ b/README.OSX.txt
@@ -283,8 +283,8 @@ generate C++ source code from .fl resource files. Add Fluid to the developer
 tools:
 
   sudo mkdir /Developer/Applications/Utilities/FLTK/
-  sudo rm -f -r /Developer/Applications/Utilities/FLTK/Fluid.app
-  sudo cp -R ide/Xcode4/build/Release/Fluid.app /Developer/Applications/Utilities/FLTK/
+  sudo rm -f -r /Developer/Applications/Utilities/FLTK/fluid.app
+  sudo cp -R ide/Xcode4/build/Release/fluid.app /Developer/Applications/Utilities/FLTK/
 
 
  3.8  Installing Little Helpers
@@ -442,8 +442,8 @@ generate C++ source code from .fl resource files. Add Fluid to the developer
 tools:
 
   sudo mkdir /Applications/FLTK/
-  sudo rm -f -r /Applications/FLTK/Fluid.app
-  sudo cp -R (Organizer->Derived Data Path)/Release/Fluid.app /Applications/FLTK/
+  sudo rm -f -r /Applications/FLTK/fluid.app
+  sudo cp -R (Organizer->Derived Data Path)/Release/fluid.app /Applications/FLTK/
 
     (TODO: 4.8   Installing Little Helpers)
     (TODO: 4.9   Creating new Projects)
diff --git a/fluid/CMakeLists.txt b/fluid/CMakeLists.txt
index 0fdc09043..a759e503b 100644
--- a/fluid/CMakeLists.txt
+++ b/fluid/CMakeLists.txt
@@ -41,7 +41,7 @@ set(CPPFILES
 )
 
 if(APPLE AND NOT OPTION_APPLE_X11)
-    set(FLUID_ICON "${CMAKE_CURRENT_SOURCE_DIR}/Fluid.app/Contents/Resources/fluid.icns")
+    set(FLUID_ICON "${CMAKE_CURRENT_SOURCE_DIR}/fluid.app/Contents/Resources/fluid.icns")
     add_executable(fluid MACOSX_BUNDLE ${CPPFILES} "${FLUID_ICON}")
     FLTK_SET_BUNDLE_ICON(fluid "${FLUID_ICON}")
 else()
diff --git a/test/demo.cxx b/test/demo.cxx
index d2c10c9b8..684698bf5 100644
--- a/test/demo.cxx
+++ b/test/demo.cxx
@@ -322,7 +322,7 @@ void dobut(Fl_Widget *, long arg)
       *arg = 0;
 #if defined USING_XCODE
       fl_filename_absolute(path, 2048, "../../../../test/");
-      fluidpath = "Fluid.app";
+      fluidpath = "fluid.app";
 #else
       strcpy(path, app_path); strcat(path, "/");
       fluidpath = "../fluid/fluid.app";