diff --git a/CMakeLists.txt b/CMakeLists.txt
index c24e161..9867184 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,12 +19,15 @@ else(C99_FLAG_DETECTED)
 endif(C99_FLAG_DETECTED)
 
 # check for freeimage
-find_package(FreeImage)
-if(FreeImage_FOUND)
+if(NOT PKG_CONFIG_FOUND)
+  find_package(PkgConfig REQUIRED)
+endif()
+pkg_check_modules(FREEIMAGE freeimage)
+if(FREEIMAGE_FOUND)
   set(STATUS_FREEIMG "OK")
-else(FreeImage_FOUND)
+else(FREEIMAGE_FOUND)
   set(STATUS_FREEIMG "not found")
-endif(FreeImage_FOUND)
+endif(FREEIMAGE_FOUND)
 
 # check for laxjson
 find_package(LaxJson)
@@ -76,7 +79,7 @@ set(EXE_HEADERS
   ${PROJECT_SOURCE_DIR}/src/mkdirp.h
   )
 
-set(LIB_CFLAGS "${C99_C_FLAGS} -pedantic -Werror -Wall -Werror=strict-prototypes -Werror=old-style-definition -Werror=missing-prototypes -D_POSIX_C_SOURCE=200809L")
+set(LIB_CFLAGS "${C99_C_FLAGS} -pedantic -Werror -Wall -Werror=strict-prototypes -Werror=old-style-definition -Werror=missing-prototypes -D_POSIX_C_SOURCE=200809L ${FREEIMAGE_CFLAGS_OTHER}")
 set(EXE_CFLAGS ${LIB_CFLAGS})
 
 add_library(rucksack_static STATIC ${RUCKSACK_LIB_SOURCES} ${RUCKSACK_LIB_HEADERS})
@@ -92,7 +95,7 @@ set_target_properties(rucksack_shared PROPERTIES
   COMPILE_FLAGS ${LIB_CFLAGS})
 
 
-include_directories(${FreeImage_INCLUDE_DIRS})
+include_directories(${FREEIMAGE_INCLUDE_DIRS})
 add_library(rucksackspritesheet_static STATIC
   ${RUCKSACK_SPRITESHEET_LIB_SOURCES} ${RUCKSACK_SPRITESHEET_LIB_HEADERS})
 set_target_properties(rucksackspritesheet_static PROPERTIES
@@ -106,7 +109,7 @@ set_target_properties(rucksackspritesheet_shared PROPERTIES
   SOVERSION ${VERSION_MAJOR}
   VERSION ${VERSION}
   COMPILE_FLAGS ${LIB_CFLAGS})
-target_link_libraries(rucksackspritesheet_shared rucksack_shared ${FreeImage_LIBRARIES})
+target_link_libraries(rucksackspritesheet_shared rucksack_shared ${FREEIMAGE_LIBRARIES})