diff --git a/CMakeLists.txt b/CMakeLists.txt
index 56899ad..745201d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,7 +70,11 @@ set(PIP_FOLDERS "." "core" "containers" "thread" "system" "io_devices" "io_utils
 set(PIP_INCLUDES)
 
 if(LIB)
-	if(NOT WIN32)
+	if(WIN32)
+		if(MINGW)
+			set(CMAKE_INSTALL_PREFIX ${MINGW_DIR})
+		endif()
+	else()
 		if (DEFINED ANDROID_PLATFORM)
 			set(CMAKE_INSTALL_PREFIX ${ANDROID_SYSTEM_LIBRARY_PATH}/usr)
 		else()
diff --git a/qad/CMakeLists.txt b/qad/CMakeLists.txt
index d2d872c..fd846c6 100644
--- a/qad/CMakeLists.txt
+++ b/qad/CMakeLists.txt
@@ -36,7 +36,11 @@ endif()
 
 if (NOT LIBPROJECT)
 	if (LIB)
-		if (NOT WIN32)
+		if(WIN32)
+			if(MINGW)
+				set(CMAKE_INSTALL_PREFIX ${MINGW_DIR})
+			endif()
+		else()
 			if (DEFINED ANDROID_PLATFORM)
 				set(CMAKE_INSTALL_PREFIX ${ANDROID_SYSTEM_LIBRARY_PATH}/usr)
 			else()