diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3a17aed..0e61e8b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -187,9 +187,9 @@ IF(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
 
 	# pkgconfig
 	SET(PKGCONFIGDIR lib/pkgconfig CACHE STRING "directory where to install pkg-config files")
-	IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+	IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR CMAKE_SYSTEM_NAME MATCHES "DragonFly")
 		SET(PKGCONFIGDIR libdata/pkgconfig)
-	ENDIF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+	ENDIF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR CMAKE_SYSTEM_NAME MATCHES "DragonFly")
 
 	SET(SDL2_PKGCONFIG_CFLAGS "")
 	FOREACH(INCDIR IN LISTS SDL2_ALL_INCLUDE_DIRS)