diff --git a/stepmania/src/Makefile.am b/stepmania/src/Makefile.am
index 8894187a46..a02e0a90ef 100644
--- a/stepmania/src/Makefile.am
+++ b/stepmania/src/Makefile.am
@@ -2,7 +2,7 @@ bin_PROGRAMS = stepmania
 
 AM_LDFLAGS =
 AM_CXXFLAGS = -O2
-AM_CFLAGS = - O2
+AM_CFLAGS = -O2
 
 if NHAVE_SDL
 AM_CXXFLAGS += -ISDL-1.2.6/include