diff --git a/Makefile.am b/Makefile.am
index 42056e9..c3d0f42 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,7 +1,7 @@
 AUTOMAKE_OPTIONS = foreign no-dependencies
 
-SVN_DEF = -D'SVN_REV="$(shell svnversion -n .)"'
-AM_CFLAGS = -g -O3 -std=gnu99 -ffast-math -DPACKAGE_DATA_DIR=\"$(pkgdatadir)\" $(SVN_DEF)
+GIT_DEF = -D'GIT_REV="$(shell git describe --tags --dirty)"'
+AM_CFLAGS = -g -O3 -std=gnu99 -ffast-math -DPACKAGE_DATA_DIR=\"$(pkgdatadir)\" $(GIT_DEF)
 
 ACLOCAL_AMFLAGS = -I m4
 
diff --git a/Makefile.in b/Makefile.in
index 5fcf38e..8a9afdc 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -359,8 +359,8 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 AUTOMAKE_OPTIONS = foreign no-dependencies
-SVN_DEF = -D'SVN_REV="$(shell svnversion -n .)"'
-AM_CFLAGS = -g -O3 -std=gnu99 -ffast-math -DPACKAGE_DATA_DIR=\"$(pkgdatadir)\" $(SVN_DEF)
+GIT_DEF = -D'GIT_REV="$(shell git describe --tags --dirty)"'
+AM_CFLAGS = -g -O3 -std=gnu99 -ffast-math -DPACKAGE_DATA_DIR=\"$(pkgdatadir)\" $(GIT_DEF)
 ACLOCAL_AMFLAGS = -I m4
 man1_MANS = flam3-animate.man flam3-genome.man flam3-render.man flam3-convert.man
 lib_LTLIBRARIES = libflam3.la
diff --git a/flam3.c b/flam3.c
index becef85..6c77639 100644
--- a/flam3.c
+++ b/flam3.c
@@ -61,8 +61,8 @@
 
 char *flam3_version() {
 
-  if (strcmp(SVN_REV, "exported"))
-    return flam3_os "-" VERSION "." SVN_REV;
+  if (strcmp(GIT_REV, ""))
+    return flam3_os "-" VERSION "." GIT_REV;
   return flam3_os "-" VERSION;
 }