diff --git a/sdl2-config.cmake.in b/sdl2-config.cmake.in
index c570511fa..ca694f595 100644
--- a/sdl2-config.cmake.in
+++ b/sdl2-config.cmake.in
@@ -7,7 +7,8 @@ set(includedir "@includedir@")
 set(SDL2_PREFIX "${prefix}")
 set(SDL2_EXEC_PREFIX "${exec_prefix}")
 set(SDL2_LIBDIR "${libdir}")
-set(SDL2_INCLUDE_DIRS "${includedir}/SDL2")
+set(SDL2_INCLUDE_DIRS "${includedir}/SDL2" $ENV{SDL2_PATH})
+separate_arguments(SDL2_INCLUDE_DIRS)
 set(SDL2_LIBRARIES "-L${SDL2_LIBDIR} @SDL_RLD_FLAGS@ @SDL_LIBS@")
 string(STRIP "${SDL2_LIBRARIES}" SDL2_LIBRARIES)
 
diff --git a/sdl2-config.in b/sdl2-config.in
index 5a2aed292..7c55f0a28 100644
--- a/sdl2-config.in
+++ b/sdl2-config.in
@@ -42,7 +42,11 @@ while test $# -gt 0; do
       echo @SDL_VERSION@
       ;;
     --cflags)
-      echo -I@includedir@/SDL2 @SDL_CFLAGS@
+      SDL_CFLAGS=""
+      for i in @includedir@/SDL2 $SDL2_PATH; do
+        SDL_CFLAGS="$SDL_CFLAGS -I$i"
+      done
+      echo $SDL_CFLAGS @SDL_CFLAGS@
       ;;
 @ENABLE_SHARED_TRUE@    --libs)
 @ENABLE_SHARED_TRUE@      echo -L@libdir@ @SDL_RLD_FLAGS@ @SDL_LIBS@
-- 
2.33.1