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-rw-r--r--chickadee/graphics/seagull.scm1
1 files changed, 1 insertions, 0 deletions
diff --git a/chickadee/graphics/seagull.scm b/chickadee/graphics/seagull.scm
index daf3caf..5bdd6f3 100644
--- a/chickadee/graphics/seagull.scm
+++ b/chickadee/graphics/seagull.scm
@@ -55,6 +55,7 @@
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (ice-9 pretty-print)
+ #:use-module ((rnrs base) #:select (mod))
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-11)