diff --git a/src/external/external.pro b/src/external/external.pro
index b395e6a56..7550e2d71 100644
--- a/src/external/external.pro
+++ b/src/external/external.pro
@@ -1,6 +1,6 @@
 config += debug_and_release
 TEMPLATE      = subdirs
-SUBDIRS       = lib3ds-1.3.0/lib3ds/lib3ds.pro \
-                bzip2-1.0.5/bzip2-1.0.5.pro \
-                muparser_v130/src/src.pro \
-                levmar-2.3/levmar-2.3.pro
\ No newline at end of file
+SUBDIRS       = lib3ds-1.3.0/lib3ds \
+                bzip2-1.0.5 \
+                muparser_v130/src \
+                levmar-2.3
\ No newline at end of file