diff --git a/lib/irrlicht/CMakeLists.txt b/lib/irrlicht/CMakeLists.txt
old mode 100644
new mode 100755
index fb26e5739..bf25ef1a5
--- a/lib/irrlicht/CMakeLists.txt
+++ b/lib/irrlicht/CMakeLists.txt
@@ -1,18 +1,17 @@
 # CMakeLists.txt for Irrlicht in STK
-
-include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include/"
-                    "${ZLIB_INCLUDE_DIR}")
-
-if(MSVC OR APPLE)
-    include_directories("${CMAKE_CURRENT_BINARY_DIR}/../zlib/" # For zconf.h on WIN32
-                        "${CMAKE_CURRENT_BINARY_DIR}/../libpng/")
-endif()
-
 if(NOT SERVER_ONLY)
     find_package(PNG REQUIRED)
     find_package(JPEG REQUIRED)
-    include_directories("${JPEG_INCLUDE_DIR}"
-                        "${PNG_INCLUDE_DIRS}")
+
+    include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include/"
+                        "${JPEG_INCLUDE_DIR}"
+                        "${PNG_INCLUDE_DIRS}"
+                        "${ZLIB_INCLUDE_DIR}")
+
+    if(MSVC OR APPLE)
+        include_directories("${CMAKE_CURRENT_BINARY_DIR}/../zlib/" # For zconf.h on WIN32
+                            "${CMAKE_CURRENT_BINARY_DIR}/../libpng/")
+    endif()
 
     if(NOT USE_GLES2)
         find_package(OpenGL REQUIRED)
@@ -59,6 +58,11 @@ if(NOT SERVER_ONLY)
         endif()        
     endif()
 else()
+    include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include/"
+                        "${ZLIB_INCLUDE_DIR}")
+    if(MSVC OR APPLE)
+        include_directories("${CMAKE_CURRENT_BINARY_DIR}/../zlib/")
+    endif()
     add_definitions(-DNO_IRR_COMPILE_WITH_LIBPNG_)
     add_definitions(-DNO_IRR_COMPILE_WITH_LIBJPEG_)
     add_definitions(-DNO_IRR_COMPILE_WITH_BMP_LOADER_)
@@ -619,4 +623,4 @@ endif()
 
 if(WIN32)
     target_link_libraries(stkirrlicht imm32 xinput9_1_0)
-endif()
+endif()
\ No newline at end of file