diff --git a/INSTALL.markdown b/INSTALL.markdown
index 2f9e9f10e..b093b0f8f 100644
--- a/INSTALL.markdown
+++ b/INSTALL.markdown
@@ -92,7 +92,7 @@ Install the listed prerequisites through your system package manager.
  scons
  libsdl1.2-dev
  libsdl-mixer1.2-dev
- physfs-dev**
+ libphysfs-dev**
 
 #### Mac OS X
 Where possible, Mac users should try to obtain a compiled package, rather than locally compiling from source.  To build from source, read on.