diff --git a/sc2/Makeproject b/sc2/Makeproject
index 6b43d3032..15a49ff5b 100644
--- a/sc2/Makeproject
+++ b/sc2/Makeproject
@@ -8,9 +8,9 @@ else
 	uqm_OBJS=obj/release/  # Directory for object files
 	uqm_NAME=uqm           # File name of executable
 fi
-uqm_CFLAGS="$uqm_CFLAGS -I src -I src/sc2code -I src/sc2code/libs"
+uqm_CFLAGS="$uqm_CFLAGS -Isrc -Isrc/sc2code -Isrc/sc2code/libs"
 if [ "$uqm_HAVE_REGEX" = 0 ]; then
-	uqm_CFLAGS="$uqm_CFLAGS -I src/regex"
+	uqm_CFLAGS="$uqm_CFLAGS -Isrc/regex"
 fi
 
 # Stuff to install under the directory for libraries, as specified during
diff --git a/sc2/build/unix/build.config b/sc2/build/unix/build.config
index ef81c2113..11e4f8bce 100644
--- a/sc2/build/unix/build.config
+++ b/sc2/build/unix/build.config
@@ -347,7 +347,7 @@ uqm_process_config() {
 	# Set the content dir
 	CONTENTDIR="${INSTALL_SHAREDIR}uqm/content"
 
-	CFLAGS="$CFLAGS -I \"$BUILD_WORK\""
+	CFLAGS="$CFLAGS -I\"$BUILD_WORK\""
 
 	# Export the HAVE_ symbols to config_unix.h, using config_unix.h.in
 	# as template (or config_win.h/config_win.h.in).