diff --git a/Makefile b/Makefile
index c53a918..1312691 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ MAKE=make
 
 # settings
 
-cflags = -O2 -std=c99 -pedantic -Wall -fpic -DLIBRARY_EXPORTS $(CFLAGS)
+cflags = -O2 -std=c99 -pedantic -Wall -fpic -DMOJIBAKE_EXPORTS $(CFLAGS)
 cc = $(CC) $(cflags)
 AR = ar
 
diff --git a/mojibake.h b/mojibake.h
index 03069b6..2101f8c 100644
--- a/mojibake.h
+++ b/mojibake.h
@@ -76,7 +76,7 @@ enum {false, true};
 #include <limits.h>
 
 #ifdef _WIN32
-#  ifdef LIBRARY_EXPORTS
+#  ifdef MOJIBAKE_EXPORTS
 #    define DLLEXPORT __declspec(dllexport)
 #  else
 #    define DLLEXPORT __declspec(dllimport)