diff --git a/Modules/FindSDL_image.cmake b/Modules/FindSDL_image.cmake
index e5173e3c72..fc2c043578 100644
--- a/Modules/FindSDL_image.cmake
+++ b/Modules/FindSDL_image.cmake
@@ -54,7 +54,9 @@ find_path(SDL_IMAGE_INCLUDE_DIR SDL_image.h
   HINTS
     ENV SDLIMAGEDIR
     ENV SDLDIR
-  PATH_SUFFIXES include/SDL include/SDL12 include/SDL11 include
+  PATH_SUFFIXES SDL
+                # path suffixes to search inside ENV{SDLDIR}
+                include/SDL include/SDL12 include/SDL11 include
 )
 
 if(CMAKE_SIZEOF_VOID_P EQUAL 8)
diff --git a/Modules/FindSDL_mixer.cmake b/Modules/FindSDL_mixer.cmake
index 8f2f066c9a..176fee6917 100644
--- a/Modules/FindSDL_mixer.cmake
+++ b/Modules/FindSDL_mixer.cmake
@@ -54,7 +54,9 @@ find_path(SDL_MIXER_INCLUDE_DIR SDL_mixer.h
   HINTS
     ENV SDLMIXERDIR
     ENV SDLDIR
-  PATH_SUFFIXES include/SDL include/SDL12 include/SDL11 include
+  PATH_SUFFIXES SDL
+                # path suffixes to search inside ENV{SDLDIR}
+                include/SDL include/SDL12 include/SDL11 include
 )
 
 if(CMAKE_SIZEOF_VOID_P EQUAL 8)
diff --git a/Modules/FindSDL_net.cmake b/Modules/FindSDL_net.cmake
index e5c2cdb334..ef23573e87 100644
--- a/Modules/FindSDL_net.cmake
+++ b/Modules/FindSDL_net.cmake
@@ -54,7 +54,9 @@ find_path(SDL_NET_INCLUDE_DIR SDL_net.h
   HINTS
     ENV SDLNETDIR
     ENV SDLDIR
-  PATH_SUFFIXES include/SDL include/SDL12 include/SDL11 include
+  PATH_SUFFIXES SDL
+                # path suffixes to search inside ENV{SDLDIR}
+                include/SDL include/SDL12 include/SDL11 include
 )
 
 if(CMAKE_SIZEOF_VOID_P EQUAL 8)
diff --git a/Modules/FindSDL_sound.cmake b/Modules/FindSDL_sound.cmake
index 3a6ab7b656..8b22ff701f 100644
--- a/Modules/FindSDL_sound.cmake
+++ b/Modules/FindSDL_sound.cmake
@@ -98,7 +98,9 @@ find_path(SDL_SOUND_INCLUDE_DIR SDL_sound.h
   HINTS
     ENV SDLSOUNDDIR
     ENV SDLDIR
-  PATH_SUFFIXES include/SDL include/SDL12 include/SDL11 include
+  PATH_SUFFIXES SDL
+                # path suffixes to search inside ENV{SDLDIR}
+                include/SDL include/SDL12 include/SDL11 include
   )
 
 find_library(SDL_SOUND_LIBRARY
diff --git a/Modules/FindSDL_ttf.cmake b/Modules/FindSDL_ttf.cmake
index 3f58ac19ff..4b527fabee 100644
--- a/Modules/FindSDL_ttf.cmake
+++ b/Modules/FindSDL_ttf.cmake
@@ -54,7 +54,9 @@ find_path(SDL_TTF_INCLUDE_DIR SDL_ttf.h
   HINTS
     ENV SDLTTFDIR
     ENV SDLDIR
-  PATH_SUFFIXES include/SDL include/SDL12 include/SDL11 include
+  PATH_SUFFIXES SDL
+                # path suffixes to search inside ENV{SDLDIR}
+                include/SDL include/SDL12 include/SDL11 include
 )
 
 if(CMAKE_SIZEOF_VOID_P EQUAL 8)