diff --git a/aegisub/configure.in b/aegisub/configure.in
index 22990e53b..26bdc1b41 100644
--- a/aegisub/configure.in
+++ b/aegisub/configure.in
@@ -72,6 +72,7 @@ case "$target_or_host" in
 
   *-*-*bsd*)
     build_bsd="yes"
+	ICONV_CFLAGS="-I/usr/local/include"
   ;;
 
   *)
diff --git a/aegisub/libaegisub/Makefile b/aegisub/libaegisub/Makefile
index 1e9e7d5da..3f7c589e3 100644
--- a/aegisub/libaegisub/Makefile
+++ b/aegisub/libaegisub/Makefile
@@ -16,6 +16,7 @@ CXXFLAGS += -I/Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/CoreServi
 LDFLAGS += -L../universalchardet -luniversalchardet
 endif
 
+common/charset_conv.o: CXXFLAGS += $(CFLAGS_ICONV)
 
 SRC = \
 	common/charset.cpp \