diff --git a/build-aux/guile.am b/build-aux/guile.am
index d9467ea..134c74b 100644
--- a/build-aux/guile.am
+++ b/build-aux/guile.am
@@ -22,6 +22,6 @@ EXTRA_DIST = $(SOURCES) $(NOCOMP_SOURCES)
 GUILE_WARNINGS = -Wunbound-variable -Warity-mismatch -Wformat
 SUFFIXES = .scm .go
 .scm.go:
-	$(AM_V_GEN)$(CROSS_COMPILING_VARIABLE)$(top_builddir)/env	\
+	$(AM_V_GEN)$(CROSS_COMPILING_VARIABLE) $(top_builddir)/env	\
 	  $(GUILE_TOOLS) compile $(GUILE_TARGET) -L "$(abs_top_srcdir)"	\
 	  $(GUILE_WARNINGS) -o "$@" "$<"