diff --git a/data/common/emul/fceu/FCEU ReadMe.txt b/data/common/emul/fceu/FCEU_ReadMe.txt
similarity index 100%
rename from data/common/emul/fceu/FCEU ReadMe.txt
rename to data/common/emul/fceu/FCEU_ReadMe.txt
diff --git a/data/eng/Makefile b/data/eng/Makefile
index 4bfe745cdf..f2f9c3d98c 100644
--- a/data/eng/Makefile
+++ b/data/eng/Makefile
@@ -393,7 +393,7 @@ EXTRA:=\
  kolibrios/emul/dosbox/=../common/emul/DosBox/readme.txt \
  kolibrios/emul/fceu/=../common/emul/fceu/fce \
  kolibrios/emul/fceu/=../common/emul/fceu/ChangeLog.txt \
- kolibrios/emul/fceu/=../common/emul/fceu/FCEU ReadMe.txt \
+ kolibrios/emul/fceu/=../common/emul/fceu/FCEU_ReadMe.txt \
  kolibrios/emul/fceu/=../common/emul/fceu/History.txt \
  kolibrios/emul/e80/e80=e80 \
  kolibrios/emul/gameboy=../common/emul/gameboy \
diff --git a/data/et/Makefile b/data/et/Makefile
index 304f366d9f..41721b7bcb 100644
--- a/data/et/Makefile
+++ b/data/et/Makefile
@@ -393,7 +393,7 @@ EXTRA:=\
  kolibrios/emul/dosbox/=../common/emul/DosBox/readme.txt \
  kolibrios/emul/fceu/=../common/emul/fceu/fce \
  kolibrios/emul/fceu/=../common/emul/fceu/ChangeLog.txt \
- kolibrios/emul/fceu/=../common/emul/fceu/FCEU ReadMe.txt \
+ kolibrios/emul/fceu/=../common/emul/fceu/FCEU_ReadMe.txt \
  kolibrios/emul/fceu/=../common/emul/fceu/History.txt \
  kolibrios/emul/e80/e80=e80 \
  kolibrios/emul/gameboy=../common/emul/gameboy \
diff --git a/data/rus/Makefile b/data/rus/Makefile
index 3a24da05b2..65527aedf6 100644
--- a/data/rus/Makefile
+++ b/data/rus/Makefile
@@ -399,7 +399,7 @@ EXTRA:=\
  kolibrios/emul/dosbox/=../common/emul/DosBox/readme.txt \
  kolibrios/emul/fceu/=../common/emul/fceu/fce \
  kolibrios/emul/fceu/=../common/emul/fceu/ChangeLog.txt \
- kolibrios/emul/fceu/=../common/emul/fceu/FCEU ReadMe.txt \
+ kolibrios/emul/fceu/=../common/emul/fceu/FCEU_ReadMe.txt \
  kolibrios/emul/fceu/=../common/emul/fceu/History.txt \
  kolibrios/emul/e80/e80=e80 \
  kolibrios/emul/gameboy=../common/emul/gameboy \
diff --git a/data/sp/Makefile b/data/sp/Makefile
index 28dca82779..b3b29ddcbc 100644
--- a/data/sp/Makefile
+++ b/data/sp/Makefile
@@ -392,7 +392,7 @@ EXTRA:=\
  kolibrios/emul/dosbox/=../common/emul/DosBox/readme.txt \
  kolibrios/emul/fceu/=../common/emul/fceu/fce \
  kolibrios/emul/fceu/=../common/emul/fceu/ChangeLog.txt \
- kolibrios/emul/fceu/=../common/emul/fceu/FCEU ReadMe.txt \
+ kolibrios/emul/fceu/=../common/emul/fceu/FCEU_ReadMe.txt \
  kolibrios/emul/fceu/=../common/emul/fceu/History.txt \
  kolibrios/emul/e80/e80=e80 \
  kolibrios/emul/gameboy=../common/emul/gameboy \